VideoHomeControl/ListBoxTreeList.cs

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using System.Data;
using System.Web.UI;
using System.Web;
using System.Web.UI.WebControls;
using System.ComponentModel;

using myfilm.Common;
using myfilm.Data;

namespace myfilm.Control
{
	/// <summary>
    /// 树形列表框控件。
	/// </summary>
	[DefaultProperty("Text"),ToolboxData("<{0}:ListBoxTreeList runat=server></{0}:ListBoxTreeList>")]
    public class ListBoxTreeList : myfilm.Control.WebControl
	{
        /// <summary>
        /// 列表框控件变量
        /// </summary>
		public System.Web.UI.WebControls.ListBox TypeID=new System.Web.UI.WebControls.ListBox();
	
        /// <summary>
        /// 构造函数
        /// </summary>
		public ListBoxTreeList(): base()
		{
		}

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="sqlstring">查询字符串</param>
		public ListBoxTreeList(string sqlstring): this()
	    {
		     BuildTree(sqlstring);
	    }

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="sqlstring">查询字符串</param>
        /// <param name="selectid">选取项</param>
		public ListBoxTreeList(string sqlstring,string selectid): this(sqlstring)
		{
			this.TypeID.SelectedValue=selectid;
		}


        /// <summary>
        /// 创建树
        /// </summary>
		public void BuildTree()
		{
			if((this.SqlText!=null)&&(this.SqlText!=""))
			{
				BuildTree(this.SqlText);
			}
		}