Retrive image from database for every choise of datagrid

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hi

I saved some pictures in the database ! but now i want to retrive some of it.

according to the passage when i select any row of datagrid the picturebox must show picture that have be relationship with that. for this action i used this code but it's error: There is no row at possition 0. how can i resolved this problems.

C#

string Username=dataGridView1.CurrentRow.Cells["Username"].Value.ToString();
string strSql="Select Image From tbUsers Where Username='"+Username+"'";
if (Conn.State != ConnectionState.Open)
{
    SqlDataAdapter Da = new SqlDataAdapter(strSql, Conn);
    DataSet DS = new DataSet();
    Conn.Open();
    Da.Fill(DS, "tbUsers");
    Conn.Close();
   try
    {
        byte[] ArrPic = (byte[])(DS.Tables["tbUsers"].Rows[0]["Image"]);
        MemoryStream MEM = new MemoryStream(ArrPic);
        pictureBox1.Image = Image.FromStream(MEM);
    }
    catch (Exception EX)
    { }

}

Conn is sqlconnection
Da is dataAdapter

Posted 14-Sep-12 20:41pm

jhon thuraya

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Vani Kulkarni · Answer 1 · 2012-09-14T22:22:00

The error message clearly says that there is no data present at Row[0]. Please run this query in the database and check if any data is present.

SQL

Select Image From tbUsers Where Username='yourusername'

If you fetching the UserName value from the datagrid, make sure no extra characters are being appended or space is being appended. Check the exact UserName that is getting passed in the query.