protected void btnSave_Click(object sender, EventArgs e) { int pid = Convert.ToInt32(txtPid.Text); string name = txtPname.Text; decimal price = Convert.ToDecimal(txtPprice.Text); int qty = Convert.ToInt32(txtPqty.Text); DataAccessClass dac = new DataAccessClass(); if (dac.UpdateProduct(pid, name, price, qty)) lblMsg.Text = "Data Update Successfully"; else lblMsg.Text = "Not Updated,, Mising Sometihng,."; }