protected void btnupdate_Click(object sender, EventArgs e) { try { Company dpt = new Company(); dpt.Name = txtName.Text; dpt.Location = txtLocation.Text; dpt.ID = Int32.Parse(hdnID.Value); CompanyAccess manager = new CompanyAccess(); if (manager.Update(dpt) > 0) { GridView1.DataSourceID = ObjectDataSource1.ID; btnupdate.Visible = false; btnsave.Visible = true; lblMsg.Text = "success"; } else { lblMsg.Text = "Failed"; } GridView1.DataSourceID = ObjectDataSource1.ID; Clear(); } catch (Exception ex) { Response.Write(@"<script language='javascript'>alert('The following errors have occurred: \n" + ex + " .');</script>"); } }