private void btnSetOrdinal_Click(object sender, EventArgs e)
{
//把第二位的列移前
mdc.SetOrdinal(mdc[1].ColumnName, 0);
if (mdc.Table != null && mdc.Table.Rows.Count > 1)
{
new MDataTable().Bind(dgvData);
MDataTable dt = mdc.Table.Clone();
dt.Bind(dgvData);
}
else
{
mdc.ToTable().Bind(dgvData);
}
}