private void button1_Click(object sender, EventArgs e)
{
frmffImport frm = new frmffImport();
frm.ShowDialog();
textBox1.Text = frm.dtSource;
updateData();
}
private void 面单发放数据导入ToolStripMenuItem_Click(object sender, EventArgs e)
{
frmffImport frm = new frmffImport();
frm.MdiParent = this;
frm.Show();
}