private void button1_Click(object sender, EventArgs e) { string sfbz = ""; if (checkBox2.Checked == true) { sfbz = "1"; } else { sfbz = "0"; } dgv_bzxx.DataSource = tjdjbiz.Get_TJ_Bzryxx(txt_bzdah.Text.Trim(), txt_bzxm.Text.Trim(), sfbz, ""); }