protected void ddlVendorName_SelectedIndexChanged(object sender, EventArgs e) { if (ddlVendorName.SelectedIndex > 0) { SupplierTransaction sup = new SupplierTransaction(); Supplier supplier = new Supplier(); supplier = sup.GetVendorDetailsByVendorId(connstring, ddlVendorName.SelectedItem.Value.Trim()); txtAddress1.Text = ((supplier.VendorAddress.Trim() == "") ? "No Data Available" : supplier.VendorAddress.Trim()); txtAddress2.Text = ((supplier.VendorAddress1.Trim() == "") ? "No Data Available" : supplier.VendorAddress1.Trim()); txtContactPerson.Text = ((supplier.ContactPerson.Trim() == "") ? "No Data Available" : supplier.ContactPerson.Trim()); txtTelephoneNumber.Text = ((supplier.TelephoneNumber.Trim() == "") ? "No Data Available" : supplier.TelephoneNumber.Trim()); txtEmailAddress.Text = ((supplier.VendorEmail.Trim() == "") ? "No Data Available" : supplier.VendorEmail.Trim()); lblMessage.Text = ""; hdnVendorId.Value = ddlVendorName.SelectedItem.Value.Trim(); } else { txtAddress1.Text = ""; txtAddress2.Text = ""; txtContactPerson.Text = ""; txtTelephoneNumber.Text = ""; txtEmailAddress.Text = ""; lblMessage.Text = ""; hdnVendorId.Value = ""; } }