How to convert 64Based Data to string in C#?

Question

Hello I have 64-Based Url I want to convert it into string Please Help me Thank You

Vivek Kumar · Answer

Hi Ravi This is the image and in that image this number is printed 045548279 . So If you have to read that number from image and then you can save that number in your database. You can go through the below link and also download the sample code for your reference. http://www.aspsnippets.com/Articles/Read-Extract-Text-from-Image-OCR-in-ASPNet-using-C-and-VBNet.aspx http://www.codeproject.com/Articles/10130/OCR-with-Microsoft-Office --------------------------------------------------- If this post helps you mark it as answer

Ravi Sangtani · Answer

Hi Joginder I want to save that image text in my database as string 045548279. Please help me...

Joginder Banger · Answer

Hi Ravi As per my knowledge its return of image. In image have no . is that correct. What you want i have lot of working convert image as well as.

Vivek Kumar · Answer

Hi Ravi It is an image not a number. --------------------------------------------------- If this post helps you mark it as answer

Ravi Sangtani · Answer

Hi Vivek I want to save that no as string in database

Vivek Kumar · Answer

You can save all string in database or save image in any folder. What you want to do in manually? If you will give me your requirement then i can try to find the exact solution.

Ravi Sangtani · Answer

But how to do that i have lakhs of that string and manually how can do ?

Vivek Kumar · Answer

Hi Ravi This is not your answer 045548279. Actually it is an image which is showing that number and you can use this base 64 data as plan text in C#

Ravi Sangtani · Answer

I want that result as plan text not an Image you see in browser that is .png image

Vivek Kumar · Answer

Yes Ravi That's why i m getting the result as PNG when i am decoding it. could you tell me what is your requirement ?

Ravi Sangtani · Answer

I also can't get the proper code but ans is 045548279 if you want to check then open this 64basedstring in browser and see the output that i want in string but this is image the 64basedstring is : data:image/png;base64 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

Rajeev Punhani · Answer

Hi Ravi Could you tell how you are encoding the data.

Vivek Kumar · Answer

How you are encoding your data? my ans is PNG.

Ravi Sangtani · Answer

Ans is : 045548279 of above Based64 string which I have give what is your ans is their ?

Vivek Kumar · Answer

Hi Ravi I checked in my system it is giving PNG as string. Could you tell me how you are converting URL to base 64 or you are getting base 64 string from any other source ? 

Ravi Sangtani · Answer

No still not proper working...

Vivek Kumar · Answer

Please Use below method public static string FromBase64ForUrlString(string base64ForUrlInput) { int padChars = (base64ForUrlInput.Length % 4) == 0 ? 0 : (4 - (base64ForUrlInput.Length % 4)); StringBuilder result = new StringBuilder(base64ForUrlInput base64ForUrlInput.Length + padChars); result.Append(String.Empty.PadRight(padChars '=')); result.Replace('-' '+'); result.Replace('_' '/'); byte[] b= Convert.FromBase64String(result.ToString()); return Encoding.UTF8.GetString(b); }

Ravi Sangtani · Answer

I have my string as 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 It is 64based i want to convert it in the string format...

Vivek Kumar · Answer

Is URL string is null?

Vivek Kumar · Answer

What are you using in your code. Can you share your code?

Ravi Sangtani · Answer

Error : An unhandled exception of type 'System.ArgumentNullException' occurred in mscorlib.dll Additional information: Array cannot be null.

Vivek Kumar · Answer

Hi Ravi Please use below method/code for decode the base 64 URl to string public static string Base64ForUrlDecode(string str) { byte[] decbuff = HttpServerUtility.UrlTokenDecode(str); return Encoding.UTF8.GetString(decbuff); } let me know if you want any other things. --------------------------------------------------- If this post helps you mark it as answer