Retrieve image of greater than 1mb from sql server using c#

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I want to retrieve images of greater than 1 mb in size from sql server in windpws application using c#.
When I try to insert the image of greater than 1 mb in size, it is inserted, but when I try to retrieve the image the runtime error is occurring i.e. "Parameter is not valid".
The code I tried to retrieve the image.

How can I retrieve the image of bigger size i.e. greater than 1 mb in size.

Thanks in Advance ...!!!

What I have tried:

C#

name = cbCust_Name.SelectedValue.ToString();  
//btnDisplay_Click(sender, e);  
SqlConnection cnn = new SqlConnection(conString);  
MemoryStream stream = new MemoryStream();  
cnn.Open();  
SqlCommand command = new SqlCommand("Select Cust_Image from Photo where Cust_Name= '" + name + "'", cnn);  
byte[] image = (byte[])command.ExecuteScalar();  
stream.Write(image, 0, image.Length);  
//cnn.Close();  
Bitmap bitmap = new Bitmap(stream);  
pictureBox1.Image = bitmap;

Posted 23-Feb-16 18:32pm

Ank_ush

Updated 23-Feb-16 19:34pm

Manas_Kumar

v2

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Manas_Kumar · Answer 1 · 2016-02-23T19:34:00

The problem is that new Bitmap(ms) is going to read the data from the stream's current position. And if the stream is currently positioned at the end of the data, it's not going to be able to read anything, hence the problem occurs. Try with below code:

C#

string name = cbCust_Name.SelectedValue.ToString();  

SqlConnection cnn = new SqlConnection(conString);
cnn.Open();  
SqlCommand command = new SqlCommand("Select Cust_Image from Photo where Cust_Name= '" + name + "'", cnn);  
byte[] image = (byte[])command.ExecuteScalar();
cnn.Close();  

MemoryStream ms = new MemoryStream(image);
ms.Seek(0, SeekOrigin.Begin);
Bitmap bitmap = new Bitmap(ms);
pictureBox1.Image = bitmap;

Suggestions: Please try to use Parameterised query when you are using inline SQL query. It helps to avoid SQL injection. Secondly close the connection and memory stream object properly.