private void DataGrid1_CurrentCellChanged(object sender, EventArgs e)
{
try
{
if (int.Parse(DataGrid1.Tag.ToString()) >= 0)
{
DataGrid1.UnSelect(int.Parse(DataGrid1.Tag.ToString()));
}
}
catch
{
DataGrid1.Tag = "-1";
}
try
{
DataGrid1.Tag = DataGrid1.CurrentRowIndex;
if (DataGrid1.CurrentRowIndex >= 0)
{
DataGrid1.Select(int.Parse(DataGrid1.Tag.ToString()));
}
}
catch
{
DataGrid1.Tag = "-1";
}
try
{
txtTen.Tag = "";
CurrencyManager cm = (CurrencyManager)BindingContext[DataGrid1.DataSource, DataGrid1.DataMember];
DataView dv = (DataView)cm.List;
dv.AllowNew = false;
dv.AllowDelete = false;
dv.AllowEdit = false;
int i = DataGrid1.CurrentRowIndex;
DataRow[] rs = dv.Table.Select("id='" + DataGrid1[DataGrid1.CurrentRowIndex, 0].ToString().Trim() + "'");
if (rs.Length > 0)
{
txtMa.Text = rs[0]["ma"].ToString();
txtTen.Text = rs[0]["ten"].ToString();
txtTen.Tag = rs[0]["id"].ToString();
try
{
cbLoai.SelectedValue = rs[0]["loai"].ToString();
}
catch
{
}
}
}
catch
{
}
bool b = (txtTen.Tag.ToString() == "");
txtMa.Enabled = b;
txtTen.Enabled = b;
cbLoai.Enabled = b;
butLuu.Enabled = (txtTen.Tag.ToString() == "");
butSua.Enabled = (txtTen.Tag.ToString() != "");
butHuy.Enabled = (txtTen.Tag.ToString() != "");
}
