/// <summary>
/// 保存配置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_Save_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
try
{
TreeList_Station.Focus();//通过切换焦点，确保当前编辑的内容进入空间节点
Save_Node(TreeList_Station.Nodes);
MessageBox.Show("保存成功！");
}
catch (Exception ex)
{
MessageBox.Show("保存失败：" + ex.Message);
}
finally { InitTreeList(); }
}
/// <summary>
/// 删除节点
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_Del_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (MessageBox.Show("是否删除该节点？", "友情提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1)
== DialogResult.OK)
{
try
{
if (Del_Node(TreeList_Station.FocusedNode))
{
TreeList_Station.DeleteSelectedNodes();
}
}
catch (Exception ex)
{
MessageBox.Show("删除失败:" + ex.Message);
}
}
}
/// <summary>
/// 加载车站树
/// </summary>
private void InitTreeList()
{
using (MySqlConnection mycon = new MySqlConnection(CommonSetting.Default.ConStr_Inspection))
{
DataTable dt = new DataTable();
mycon.Open();
MySqlDataAdapter mda = new MySqlDataAdapter("SELECT * FROM t_station;", mycon);
mda.Fill(dt);
mycon.Close();
if (dt.Rows.Count > 0)
{
//设置字段
TreeList_Station.KeyFieldName = "ID";
TreeList_Station.ParentFieldName = "PID";
TreeList_Station.DataSource = dt;
TreeList_Station.ExpandAll();
}
else
{
MessageBox.Show("未查询到车站信息", "友情提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation);
}
}
}
