private void bt_delete_Click(object sender, EventArgs e)
{
if (txt_tjxm.Text.Trim() == "")
{
return;
}
//注意项目引用了，就不允许删除，暂时没有控制
if (ywszbiz.Exists_Tjxm(txt_tjxm.Text.Trim()) > 0)
{
MessageBox.Show("该项目被引用了，不允许删除！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
ywszbiz.Delete_tj_tjxmb(txt_tjxm.Text.Trim());
MessageBox.Show("删除成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
tv_tjlxb.Nodes.Remove(tv_tjlxb.SelectedNode);
ClearControl();
}
