private void bt_delete_Click(object sender, EventArgs e)
{
if (str_bh == "")
{
return;
}
if (tjglbiz.Exists_tj_dw(str_bh) > 0)
{
MessageBox.Show("该项目被引用了，不能删除！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
tjglbiz.Delete_tj_dw(str_bh);
MessageBox.Show("删除成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
ClearControl();
tv_tjdw.Nodes.Remove(tv_tjdw.SelectedNode);
str_bh = "";
}