Display image in ASP:image ASP.NET C#

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in my sql server db i have field name stuimage type image
i wanna display this image in asp:image id = "image1" in asp.net c#
using this code

C#

byte[] bytes = (byte[])x.Student_Picture;
string imgString = Convert.ToBase64String(bytes);
Image1.ImageUrl = String.Format("data:image/jpeg;base64,{0}",imgString );

when i run this code ... image1 is appeared empty

where is the error and how to solve it ?

best regards

What I have tried:

-----
byte[] imagem = (byte[])x.Student_Picture;
string base64String = Convert.ToBase64String(imagem, 0, imagem.Length);
images1.Src = "data:image/jpeg;base64," + base64String;
------------

Posted 18-Apr-16 21:38pm

Mohamed-Hmy

Updated 22-Apr-16 2:44am

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Comments

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 19-Apr-16 6:42am

That should work. Have you debugged and saw if data is coming or not?

Mohamed-Hmy 20-Apr-16 2:40am

no data appear

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 20-Apr-16 8:44am

Debug and see what is the value of x.Student_Picture?

Mohamed-Hmy 21-Apr-16 2:41am

Have a value

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 21-Apr-16 6:09am

Then it should work.

Sinisa Hajnal 19-Apr-16 8:02am

Assuming you have the data in Student_Picture, I don't see any issue with shown code fragment. Set a breakpoint or printout imgString and check that everything is correct. Pay attention to size of byte array, maybe there is a problem during the saving of the image and it is incomplete.

Mohamed-Hmy 20-Apr-16 2:39am

this code i used to save image
/*****************
if (ImageUploadToDB.HasFile == true && TextBox1.Visible == false)
{
System.Drawing.Image imag = System.Drawing.Image.FromStream(ImageUploadToDB.PostedFile.InputStream);
x.Student_Picture = ConvertImageToByteArray(imag, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else if (ImageUploadToDB.HasFile == false && TextBox1.Visible == true)
{
byte[] ImgByte = null;
FileUpload img = (FileUpload)ImageUploadToDB;
if (img.HasFile && img.PostedFile != null)
{
HttpPostedFile file = ImageUploadToDB.PostedFile;
ImgByte = new Byte[file.ContentLength];
file.InputStream.Read(ImgByte, 0, file.ContentLength);
}
x.Student_Picture = ImgByte;
}
/*****************

[no name] 22-Apr-16 3:25am

Did you set the Height and width for Image1?

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deepankarbhatnagar · Accepted Answer · 2016-04-22T02:44:00

Solution 1

Hi, take help from these links,

thanks in advance

Display image from database in Image control without using Generic Handler in ASP.Net[^]

c# - Retrieve image from database in asp.net - Stack Overflow[^]

Posted 22-Apr-16 2:44am

deepankarbhatnagar