//计算
private void btCal_Click(object sender, EventArgs e)
{
DataTable dt = (DataTable)this.dataGridViewEx1.DataSource;
fm.Calculate(dt, false);
this.tbResultFee.Text = fm.GetResult(dt);
}
//计算
private void toolStripButton10_Click(object sender, EventArgs e)
{
this.toolStrip1.Focus();
fm.Calculate((DataTable)this.dataGridViewEx1.DataSource);
ChargeColWidth();
}