private void btnSave_Click(object sender, EventArgs e)
{
RawMaterialBL raw = new RawMaterialBL();
if (table == null)
{
raw.AddRawMaterial(txtType.Text, txtColor.Text, txtName.Text);
}
else
{
raw.UpdateRawMaterial((int)table.Rows[0]["RawMaterialID"], txtType.Text, txtColor.Text, txtName.Text);
}
this.Close();
LoadRawMaterial();
}