Base64Encoder.ToBase64: sHp7FVHcFNvGLT7YpGiDbA==, 17. CORRECT Therefore 64 characters are chosen that are both members of a subset common to most encodings (ASCII), and also printable. SQL Server has the ability to base-64 encode or decode, but the way it does it is really kind of funky. Just to demonstrate the back and forth I declare some text (a chain of characters) and cast it to binary (the same chain of bytes, but not a string any more): --In this case it's okay to rely on implicit casting: easy approach. Base64Encoder.ToBase64: QVVZW9MMumLDHwg=, 12. Convert.FromBase64String: a9 3b 4c fb 8b e8 c5 00 f7 ac 20 23 5f 29 9a 8c 82 fc THE WEBSITE AND IT'S CONTENT IS PROVIDED FOR PERSONAL USE "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. Base64Encoder.ToBase64: l36Di4A=, 6. How can I do an UPDATE statement with JOIN in SQL Server? Otherwise, if you have a Base64 string, paste it into the "Base64" field and press "Decode Base64 to text" the result will appear in the "Text" field. Convert.ToBase64String: NXFNjkxf20I= In some cases I will update a blog and mention in the content but please keep this point in mind. You can use .NET Reflector to look at the Convert.ToBase64String method yourself. Just import your base64-encoded image in the editor on the left and you will instantly get PNG graphics on the right. Convert.ToBase64String: NgO1+xgVL+HrxnegO6I= Base64Encoder.ToBase64: FNRzTmE5zQMQ7rMF4344, 16. Let's follow some of these options. CORRECT Since technologies are something "live" which is evolved in time, posts on blog are usually representing the information at the time the post was published. Well, I defenitly am pretty dumb. As I wont always know if im getting an 8 or 12 digital code I want my functions to cater for both. Thanks for this code, it gives me a head start on my own implementation. In a varbinary(max) you are free to do anything. Where do custom entities get stored in the Microsoft CRM database? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Below is C# code for a Base64 encoder that you can customize to your needs. but notsure how to display it in pop up box. CORRECT This blog was originally created for internal use, for the sake of my clients. Convert.FromBase64String: a0 54 b4 Option 1: Convert binary to Base64 using JSON. You don't have to stick to 2 bytes (unicode size) boundary. repCode = Replace(repCode, |, +), Dim origByte(7) As Byte CORRECT Contributed on Apr 27 2020 . The VARBINARY can hold values more than 8,000 characters in length and can store data up to 2GB. CORRECT CORRECT 2022 ITCodar.com. Surface Studio vs iMac - Which Should You Pick? IMPORTANT! Other presented queries in article will also work. Base64Encoder.FromBase64: de a4, 3. Click on the URL button, Enter URL and Submit. Convert.FromBase64String: 8a 09 4f 27 cd 11 34 b3 34 aa 21 15 7d 19 0d 29 fa 2d 36 ReDim Preserve tinyByte(4). The date for each set of 3 binary bytes is spread over 4 characters giving us 6 bits per character. I tried. In this section I will show how we can use XML built-in options and JSON built-in (from SQL Server 2016) functions in order to convert VARBINARY into Base64. Convert Base64 String to VARBINARY. The converted PDF File will be displayed in Browser using the PDF.js JavaScript plugin Download Code Sample Download Free Word/PDF/Excel API Base64Encoder.ToBase64: j16JCNJ48gH0, 10. CORRECT You can go to your profile -> right click on your avatar image -> and save the image in the new folder. CORRECT Base64Encoder.FromBase64: 35 71 4d 8e 4c 5f db 42, 9. How do I UPDATE from a SELECT in SQL Server? It is very much like BINARY which holds fixed-length of data in column and both data types have default value 1 if length is not specified. (In the ADF Copy Activity, the BINARY_FORMAT option would be set on the "Sink" tab under the "Additional Snowflake format options" section, entered as a Key/Value pair). Converting Variables from VARBINARY to Base64 Option 1: Convert binary to Base64 using JSON Option 2: Convert binary to Base64 using XML XQuery Option 3: Convert binary to Base64 using XML and the hint "for xml path" Converting Column values from VARBINARY to Base64 Option 1: Convert binary to Base64 using JSON I hope that these posts are useful for you. Base64Encoder.ToBase64: Bug=, 3. Convert.ToBase64String: VUvjV7R9ROVWtqiZ6w== I think it was v2008 of SQL-Server, when base64 was made the default in XML for binaries (before it was a hex string). How Do I See All Activities Under An Account? For example, if it was originally a datetime, using CONVERT (datetime2 (x)) isn't going to work. Binary to text. If you have that option explicitly set to one of the other values, UTF8 or BASE64, then the above approach won't work. Import base64 - get a PNG. The more explicit statement SELECTs the value into XML and reads this into text via .value() Several years ago I decided to open it partially to the public. retVal = Replace(retVal, /, -) Base64 encoding schemes are used when binary data needs to be stored or transferred as textual data. CORRECT Convert.FromBase64String: de a4 All Rights Reserved. convert to base64 c#. This post demonstrates several options to convert VARBINARYdata into Base64 string, and vice versa convert Base64 string intoVARBINARY. As you can see in the above demo it is very simple to convert both direction between Base64 String and VARBINARY, using built-in XML and JSON features. CORRECT Therefore, a modified Base64 for URL variant exists, where no = padding is used, and the + and / characters are replaced with the hyphen - and underscore _, respectively. Base64Encoder.ToBase64: o3YcyxrM, 7. When you think about it, C++ has some great and totally unsafe ways of doing this conversion. Unfortunately, you cant beat .NETs implementation since its written in C++ and is unsafe code. Base64Encoder.FromBase64: 55 4b e3 57 b4 7d 44 e5 56 b6 a8 99 eb, 14. static private char SixBitToChar( byte b ) Press the "Decode Base64 to File" button. 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CORRECT Why would Henry want to close the breach? To review, open the file in an editor that reveals hidden Unicode characters. CORRECT Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not? CORRECT Convert.FromBase64String: 35 71 4d 8e 4c 5f db 42 Custom Conversions However, there may be instances when you want to modify the Base64 standard conversion behavior. Base64Encoder.ToBase64: NXFNjkxf20I=, 9. Click on the Upload button and select File. Did the apostolic or early church fathers acknowledge Papal infallibility? Today most of the technical post I publish in public. Books that explain fundamental chess concepts, Counterexamples to differentiation under integral sign, revisited. Base64Encoder.FromBase64=00:00:01.5625000. for an array. Example of Binary to Base64 CORRECT * You can get the binary value of your image using simple select from our table (we already inserted the image into the table) or you can simply use select query from OPENROWSET (same way we imported the image to the table). Vigenre cipher. Convert.FromBase64String: a3 76 1c cb 1a cc It has no method call overhead, no ifs, no calculations, it is readonly and it only implies an access operation []. Base64Encoder.FromBase64: 32 24 af 3e 13 17 91 c3 46 54 08 86, 13. This operating will automatically convert any binary data type in the table into BASE64 String. Connect and share knowledge within a single location that is structured and easy to search. Web application may have inserted formatting information which may not be compatible with CONVERT. Microsoft can get away with that because .NET assemblies are fully trusted. Import the image into the database as binary data. Base64Encoder.FromBase64: b0 7a 7b 15 51 dc 14 db c6 2d 3e d8 a4 68 83 6c, 17. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE WEBSITE OR THE CONTENT. Hint: 11. CORRECT Base64Encoder.FromBase64: 8f 5e 89 08 d2 78 f2 01 f4, 10. CORRECT Base64Encoder.ToBase64: oFS0, 4. Ready to optimize your JavaScript with Rust? For this reason, if we can encode a chunk of three bytes, we can encode an entire array of bytes using padding tricks we will see later. rev2022.12.11.43106. CORRECT Which is fine as my codes are a max of 12 digits, but not very elegant. LEFT JOIN vs. LEFT OUTER JOIN in SQL Server. On the whole though, unless you are converting huge amounts of these things (maybe to mime encode a big binary) you dont need a lot of speed. Comment . I need to fix some data conversion issue in SQL server 2008. For storing True/False you should use BIT datatype instead of string. To learn more, see our tips on writing great answers. Asking for help, clarification, or responding to other answers. Update. Convert.ToBase64String: qTtM+4voxQD3rCAjXymajIL8 you should do Dict[b]. We convert the data in the table into JSON using the built-in hint "for json auto". Convert.FromBase64String: 55 4b e3 57 b4 7d 44 e5 56 b6 a8 99 eb Convert.ToBase64String: iglPJ80RNLM0qiEVfRkNKfotNg== Convert.FromBase64String: ea 97 35 6c sqlconnection conn = new sqlconnection (webconfigurationmanager.connectionstrings ["demosdatabaseconnectionstring"].connectionstring); sqldataadapter sda = new sqldataadapter ("select * from saveimagebybinary",conn); datatable dt = new datatable (); sda.fill (dt); foreach (datarow row in dt.rows) { //get the byte array from image file sql cast date to 103. sql cast to integer. CORRECT (More then one column). -- Used to encode file attachments for CRM SQL tables-- SQL to convert varbinary(max) data to Base64 data type-- and vice-versa-- Author: <Michael Ciurescu> All rights reserved. Thats only about one extra second per 100K iterations. Examples of frauds discovered because someone tried to mimic a random sequence. 0. This tool supports loading the Binary File to transform to Base64. The same conversion in C# is done using Encoding.Default.GetString and Encoding.Default.GetBytes methods.Encoding.Default.GetBytes(string) gets back the bytearray as it . Base64 converts binary data to plain text using 64 case-sensitive, printable ASCII characters: A-Z, a-z, 0-9, plus sign (+) and forward slash (/), and may be terminated with 0-2 padding characters represented by the equal sign (=). Getting records that decoded(objectGUID) = extensionAttribute6. Convert.ToBase64String: 6pc1bA== CORRECT hex string sql becomes int64. Making statements based on opinion; back them up with references or personal experience. Convert.ToBase64String: l36Di4A= Johns method will be faster and let someone define arbitrary mappings. Retrieve Varbinary Value as Base64 in Mssql. (The ,type is needed to allow for XML methods). It takes three legs to make a tripod or to make a table a table stand" - Similarly, it takes three characters to convert from binary to Base64, and three-character splits are fundamental to the algorithm. Generally, to convert between Base64 and plain text, you should use the .NET methods Convert.ToBase64String and Convert.FromBase64String. Base64Encoder.FromBase64: 14 d4 73 4e 61 39 cd 03 10 ee b3 05 e3 7e 38, 16. Base64Encoder.FromBase64: 8a 09 4f 27 cd 11 34 b3 34 aa 21 15 7d 19 0d 29 fa 2d 36, 20. Base64Encoder.FromBase64: f9 9b 51 7a b6 2c 67 37 94 b6, 11. Convert.ToBase64String: oFS0 CORRECT Convert.ToBase64String: j16JCNJ48gH0 However, the forward slash is an invalid character in file paths. How can I use a VPN to access a Russian website that is banned in the EU? Base64Encoder.FromBase64: fb 88 4b 45 80 a8 30, 8. However, binary data cannot be represented directly in plain text, so one popular method is to convert binary to Base64 format. How to convert the varbinary column to Base64 string to be saved as JSON? Was the ZX Spectrum used for number crunching? I got some requirement change on storing the data. Converting from base 64 to bytes: CAST (@Input AS XML).value ('.', 'VARBINARY (MAX)'); Convert from bytes to base 64: we will need a simple image for our demo. Converting Column values from VARBINARY to Base64. The first select outputs the base data in an element: The second select outputs the base64 data in an attribute: Following comments discussion with @DaleK, a third alternative to return the bare base64 characters without any XML tags: To select a bare Bas64 value in SQL Server, without any XML node, you just need an unnamed column in FOR XML. Base64 encoding is used so that we do not have to rely on external files and scripts in web browsers. Here Mudassar Khan has explained with an example, how to convert binary data to PDF file and display in browser in ASP.Net using C# and VB.Net. Convert.FromBase64String: 32 24 af 3e 13 17 91 c3 46 54 08 86 repCode = Replace(repCode, _, =) Caesar cipher. retVal = Replace(retVal, +, |), When I encode it seems to not give me the least possible characters in the base64 string, So i have shortened the byte array : Base64Encoder.FromBase64: 97 7e 83 8b 80, 6. CORRECT convert varchar to int in sqlite. As an aside, check out the Base64 string generated for 2 random bytes of data: Bug=. @base64 varchar(8000)) returns varbinary(6000) as begin declare @t table ( Chunk int primary key, bbb binary(3)); with SampleData([base64]) as ( select @base64), Bytes([base64],N,c) as . 28. Base64 to binary: Encode and decode bytes online - cryptii Base64 to binary: Encode and decode bytes online Base64 encoding schemes are used when binary data needs to be stored or transferred as textual data. Convert.FromBase64String: 14 d4 73 4e 61 39 cd 03 10 ee b3 05 e3 7e 38 There 4 characters for the 24 bits (24/4=6). and here we can see example of converting the data. /***********************************************, -- Used to encode file attachments for CRM SQL tables, -- SQL to convert varbinary(max) data to Base64 data type, --http://www.vbforums.com/showthread.php?554886-SQL-Server-2005-Convert-any-data-to-Base64-and-back, **************************************************/, CREATE FUNCTION dbo.f_BinaryToBase64(@bin VARBINARY(MAX)), SELECT dbo.f_BinaryToBase64(CONVERT(VARBINARY(MAX), 'Converting this text to Base64')), SET @Base64 = CAST(N'' AS XML).value('xs:base64Binary(xs:hexBinary(sql:variable("@bin")))','VARCHAR(MAX)'), CREATE FUNCTION dbo.f_Base64ToBinary(@Base64 VARCHAR(MAX)), SELECT CONVERT(VARCHAR(MAX), dbo.f_Base64ToBinary('Q29udmVydGluZyB0aGlzIHRleHQgdG8gQmFzZTY0Li4u')), SET @Bin = CAST(N'' AS XML).value('xs:base64Binary(sql:variable("@Base64"))', 'VARBINARY(MAX)'), Inventory with quantities on hand in more than one bin, Orders With A Disposition of B That We Should Be Able To Ship, ASP code to connect to a SQL Server Database, Connect to an Access database and run a query, Create a button that opens another web page using vbscript, Create a recordset from sql server stored procedure, Format a datetime field to show only the date value, Format current system date in asp so you can query sql datetime field, Posting data from one web page to another using asp, Syntax to query an Access database date field using asp, Update sql command errors out if text field has a single quote in it, Using Google reCAPTCHA version 2.0 using classic asp, How to do an "all" option with Crystal Reports parameters, Split a single name field into separate fields, Add a hyperlink to opportunity in a SSRS Report, Custom report built using report wizard on fresh CRM 2011 install doesn't run. SQL varbinary <~> base64.sql This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Convert.FromBase64String: b0 7a 7b 15 51 dc 14 db c6 2d 3e d8 a4 68 83 6c Base64 encoding is a way of converting arbitrary Binary data into ASCII characters. CORRECT CORRECT document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); CSharp411.com is a blog written by Tim Toady about the C# programming language and .NET Framework. What are you casting? Should I give a brutally honest feedback on course evaluations? Are the S&P 500 and Dow Jones Industrial Average securities? Base64Encoder.FromBase64: 1. Base64Encoder.ToBase64: tXnZLxHiaEZgHTLxxUgTMa8=, 18. Base64Encoder.ToBase64: qTtM+4voxQD3rCAjXymajIL8, 19. CORRECT Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I think it depends on the image format, I just tried converting some of my images, and some come with your first format and some with the second. ReDim Preserve tinyByte(4), Dim tinyCode = Base64.Base64Encoder.ToBase64(tinyByte), retVal = Replace(tinyCode, =, _) For more information you can check the links, Option 3: Convert binary to Base64 using XML and the hint "for xml path". Created with love by team Browserling. Convert.FromBase64String: 41 55 59 5b d3 0c ba 62 c3 1f 08 1. the language Transact-SQL does not include built in function to convert binary type into base64 string and vice versa, but it does includes several built-in options we can use. Look at the Convert.ToBase64String() method. the technologies changes and tutorials must be updated, but post in blog do not. So how to convert varbinary(max) to base64? Base64Encoder.FromBase64: 3d, 2. Base64Encoder.ToBase64: +ZtRerYsZzeUtg==, 11. Convert.FromBase64String: Convert.FromBase64String: 3d I have used following code which will convert from base64 to original format. Convert.ToBase64String: cCqPFC8YNkgjAfOXZUJLhydggW0= Base64Encoder.ToBase64: PQ==, 2. Without much care I converted existing varbinary data to varchar using CONVERT(NVARCHAR(max), @bytearraydata, 1).. If it's a varbinary(max) column as you say then why are you casting it? I tried to check if it is a Base64 string (to not rely only on the deserialiser) using: Span<byte> buffer = new Span<byte>(new byte[content.Length]); var isBase64 = Convert.TryFromBase64String(content, buffer , out int parsed); (The option BINARY BASE64 is needed with mode AUTO). Base64Encoder.ToBase64=00:00:01.6250000, Convert.FromBase64String=00:00:01.5625000 You can follow the blog using RSS application with the bellow link:https://ariely.info/Blog/tabid/83/rssid/2/ariely-ronen-blogs. Base64Encoder.FromBase64: b5 79 d9 2f 11 e2 68 46 60 1d 32 f1 c5 48 13 31 af, 18. Therefore 64 characters are chosen that are both members of a subset common to most encodings (ASCII), and also printable. The FromBase64 method converts from a Base64 string to an array of bytes and its performance is on par with .NETs Convert.FromBase64String. Base64Encoder.ToBase64: iglPJ80RNLM0qiEVfRkNKfotNg==, 20. Option 2: Convert binary to Base64 using XMLXQuery, XQuery (XML Query) is a query language designed to query XML data. Not the answer you're looking for? Which contacts in Microsoft CRM get synched to my Outlook? Convert.FromBase64String: 70 2a 8f 14 2f 18 36 48 23 01 f3 97 65 42 4b 87 27 60 81 6d Popularity 10/10 Helpfulness 10/10 Source: . Any suggestion will be appreciated. Better way to check if an element only exists in one array. CORRECT CORRECT Designed by Colorlib. Please comment if you can see any optimizations that I can apply. * Can be used in order to search for older blogs Entries, * Can be used in order to search for blogs Entries by Categories, * Can be used in order to search for blogs by keywords, @ Copyright 2010 by Ariely Ronen, Deploy Model Solutions with the Deployment (1), https://ariely.info/Blog/tabid/83/rssid/2/ariely-ronen-blogs, Transact-SQL: Convert VARBINARY to Base64 String and vice versa, Converting Variables from VARBINARY to Base64, Option 2: Convert binary to Base64 using XML XQuery, Converting Column values from VARBINARY to Base64, Converting Variables from Base64 to VARBINARY, Converting column values from Base64 to VARBINARY, Top Microsoft TechNetarticles by Ronen Ariely. ALL RECOMENDATION AND TOTURIAL ARE NOT FOR PRODUCTION. Convert.FromBase64String: 97 7e 83 8b 80 CORRECT Thanks :) Friday, December 3, 2010 12:44 PM text/html12/3/2010 1:00:39 PMOlaf Helper0 0 Sign in to vote Please try it with the syntax richbrownesq and I posted. Use the CONVERT function to run this query. Comment . 0. Convert.FromBase64String: b5 79 d9 2f 11 e2 68 46 60 1d 32 f1 c5 48 13 31 af I wanted to make you aware of a optimized version that I made and that is available on github. If you test your output. In C# var byteA = @"base64string "; How do I encode and decode a base64 string? This tool allows loading the Binary URL converting to Base64. In this demo I am using my personal avatar binary value. Convert.ToBase64String: QVVZW9MMumLDHwg= How do I put three reasons together in a sentence? Base64Encoder.ToBase64: +4hLRYCoMA==, 8. Modern applications increasingly use plain text to store and share data, especially in XML and SOAP formats. convert to base64 c# csharp by Determined Dotterel on Apr 27 2020 Comment 28 xxxxxxxxxx 1 public static string Base64Encode(string plainText) { 2 var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText); 3 return System.Convert.ToBase64String(plainTextBytes); 4 } Source: stackoverflow.com convert base64 string to string c# why this addres 0xFC. These are the actual results, no kidding! The VARBINARY data type stores the variable-length binary data with a maximum length of 8,000 bytes. sql cnvert bit to nvarchar. For the actual "Value"-Column I can just see "(BLOB)". How to convert Varbinary Column to Base64 String to be saved as Json? Transact-SQL supports a subset of the XQuery language, which can be used for querying xml data type. "Convert.ToBase64String={0}nBase64Encoder.ToBase64={1}n", "Convert.FromBase64String={0}nBase64Encoder.FromBase64={1}", Updates to ASP.NET Core in.NET 7 Release Candidate 2, Amazon RDS vs Azure SQL: Key Differences, How to Use a Priority Queue in .NET version 6, Dev Box, A Cloud-Based IDE Service for Developers, Improve Your Models Performance and Accuracy with ML.NETs New Update, Visual Studio Code With Rapidly Rising Rust With a Simple Guide, Convert Between Synchronous and Asynchronous. Next, Using the function OPENJSON, we extract the BASE64 String from the JSON. Basically for each option, which I demonstrated above, there is an equivalent option to convert the data in this direction. download clear copy Text download clear copy --Just to demonstrate that the base64 we found (VGhpcyBpcyBqdXN0IHNvbWUgdGV4dC4uLg==) is correct we reconvert it simply by casting it to XML and using .value() to retrieve it as binary: --Casting this chain of bytes into a varchar again will show its (unchanged) content: All of this can be used within ad-hoc queries. 3 bytes total 24 bits (3*8=24). Free, quick, and very powerful. Any ideas? Why are you attempting to CAST() the varbinary data? Convert.FromBase64String: 36 03 b5 fb 18 15 2f e1 eb c6 77 a0 3b a2 .NET has nice simple Convert.ToBase64String and Convert.FromBase64String methods, but it's a little more work in SQL Server. In future posts I will show practical examples of using these actions. How can I delete using INNER JOIN with SQL Server? So i tried to convert it via sql, this is the result for one example value: SELECT CONVERT(nvarchar(max), value, 0) FROM mydatabase Base64Encoder.FromBase64: 36 03 b5 fb 18 15 2f e1 eb c6 77 a0 3b a2, 15. If you need to encode a text to Base64, fill in the "Text" field and press "Encode text to Base64" the result will appear in the "Base64" field. In time. Tim Toady is the founder of Browserling Inc, a. Copyright 2007-2008 Tim Toady. Below is the C# code for the custom Base64 encoder: Here is a console test program that compares the custom encoder with the .NET Convert methods: Here is the test program console output, which of course will vary with each run. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Add a column with a default value to an existing table in SQL Server, How to check if a column exists in a SQL Server table, How to concatenate text from multiple rows into a single text string in SQL Server. 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CORRECT For example, we can use Base64 string in order to send emails, which include embedded images, stored in the database as VARBINARY. For example, the eight-byte binary data in hex 35 71 4d 8e 4c 5f db 42 converts to Base64 text as NXFNjkxf20I=. Thanks for contributing an answer to Stack Overflow! The version is Sql Server 2005. Multiply by 4 to get the number of base64 characters. CORRECT How can you encode a string to Base64 in JavaScript? https://social.technet.microsoft.com/wiki/contents/articles/36388.transact-sql-convert-varbinary-to-base64-string-and-vice-versa.aspx#Convert_VARBINARY_to_Base64_String. CORRECT However, there may be instances when you want to modify the Base64 standard conversion behavior. Using variables is a bit different from working with tables. Convert.ToBase64String: sHp7FVHcFNvGLT7YpGiDbA== To subscribe to this RSS feed, copy and paste this URL into your RSS reader. i don't want to download, need to display. CORRECT Think of it this way 3/4 (putting 3 bytes into 4) means the data is split 75% from each byte to span 4 bytes. It is based on a CodeProject article but improved to be significantly more efficient. Base64Encoder.FromBase64: 41 55 59 5b d3 0c ba 62 c3 1f 08, 12. After a bit of research I found the datatype of the "Value"-Column is "varbinary(max)". Popularity 10/10 Helpfulness 10/10 Source: stackoverflow.com. Base64Encoder.FromBase64: a9 3b 4c fb 8b e8 c5 00 f7 ac 20 23 5f 29 9a 8c 82 fc, 19. DECLARE @reConverted VARBINARY (MAX) = (SELECT CAST (@base64_easy AS XML).value ('.','varbinary (max)')); --Casting this chain of bytes into a varchar again will show its (unchanged) content: SELECT CAST (@reConverted AS VARCHAR (100)); All of this can be used within ad-hoc queries. When I decode a 32 bit integer (8 digit code), Public Shared Function decUC(ByVal encCode As String) As String, Dim repCode As String = encCode Convert.ToBase64String: Implicit conversion from data type varchar to varbinary is not allowed. sql server convert date to int. I almost forgot, It could also fit into the system cache! Example 1: convert to base64 c# public static string Base64Encode(string plainText) { var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText); return Syst World's simplest online base64 to Portable Network Graphics image converter. 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