image upload

<asp:gridview id="grid" runat="server" onrowdatabound="grid_RowDataBound" xmlns:asp="#unknown">         <columns>             <asp:templatefield>                 <itemtemplate>                     <asp:image runat="server" id="img" width="100px" height="100px" />                 </itemtemplate>             </asp:templatefield>         </columns>     </asp:gridview>

protected void gvUserInfo_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow)       {              Image img= (Image)e.Row.FindControl("img");                   var Data=from p in p.TableName                 select p;                   img.ImageUrl=Data.first().ImageColumnName;         } }