The code goes like this:
string st1=@"TPics\";
st2= rd["DlNo"].ToString(); // (Database code)
string st3="T.jpg";
//Hyperlink should start here -----
Response.Write("<Img src='" + st1 + st2 + st3 + "' width='106' height='96'>"); //Display image dynamically
//Hyperlink should end here ------...