[原创]使用Microsoft.Web.UI.WebControls的iewc轻松解决权限树问题（无限级权限管理）3

Purview_User_Initial.aspx：用户权限初始化，对用户数据表系统功能数据表进行求笛卡儿集，并存入权限分配数据库。

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Microsoft.Web.UI.WebControls;

namespace YljWeb._Admin.Purview_Manage
{
///

1<summary>   
2/// Purview_User_Initial 的摘要说明。   
3/// </summary>

public class Purview_User_Initial : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lbl_Curnodeid;
protected Microsoft.Web.UI.WebControls.TreeView TreeViewAll;
protected System.Web.UI.WebControls.Button btn_Purview_Initial;
protected System.Web.UI.WebControls.Label lbl_mesg;
protected YljWeb.Classes.TreeControl tree=new YljWeb.Classes.TreeControl();

private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)//该页是否是为响应客户端而产生的或者是否是首次访问，系统自动生成
{
BindTreeViewAll();
}
}

#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

///

1<summary>   
2/// 设计器支持所需的方法 - 不要使用代码编辑器修改   
3/// 此方法的内容。   
4/// </summary>

private void InitializeComponent()
{
this.btn_Purview_Initial.Click += new System.EventHandler(this.btn_Purview_Initial_Click);
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion

private void BindTreeViewAll()
{
string str_Sql="select * from Purview_All order by order_id";
if (YljWeb.Classes.SqlConn.IsExist(str_Sql)) // 遍历树
{
tree.BindTreeViewShow("nodeid","parentid","location","mytext",str_Sql,lbl_Curnodeid,TreeViewAll);
}

}
private void btn_Purview_Initial_Click(object sender, System.EventArgs e)
{
this.lbl_mesg.Text = "系统正在对用户权限进行初始化操作，请稍后！";
/////// 清空权限列表
string strSql_Clear = "Delete from Purview_User_Have ";
YljWeb.Classes.SqlConn.ExecuteSql(strSql_Clear);
////// 查出所有用户
string strSql_User = "Select * from AdminUser ";
DataSet ds_user= new DataSet();
ds_user = YljWeb.Classes.SqlConn.ExecuteSqlForDataSet(strSql_User);
if ( ds_user.Tables[0].Rows.Count > 0 )
{
for ( int i = 0 ; i < ds_user.Tables[0].Rows.Count ; i ++ )
{
string strSql_Purview = "Select * from Purview_All order by nodeid";
DataSet ds_purview= new DataSet();
ds_purview = YljWeb.Classes.SqlConn.ExecuteSqlForDataSet(strSql_Purview);

/////// 组合用户权限列表的项 /////////////////////
if ( ds_purview.Tables[0].Rows.Count > 0 )
{
for ( int j = 0 ; j < ds_purview.Tables[0].Rows.Count ; j ++ )
{
string username = ds_user.Tables[0].Rows[i]["username"].ToString().Trim();
string nodeid = ds_purview.Tables[0].Rows[j]["nodeid"].ToString().Trim();
string parentid = ds_purview.Tables[0].Rows[j]["parentid"].ToString().Trim();
string mytext = ds_purview.Tables[0].Rows[j]["mytext"].ToString().Trim();
string location = ds_purview.Tables[0].Rows[j]["location"].ToString().Trim();
string command_name = ds_purview.Tables[0].Rows[j]["command_name"].ToString().Trim();
string order_id = ds_purview.Tables[0].Rows[j]["order_id"].ToString().Trim();

try
{
//////// 写入用户权限数据库 ///////////////////////////
string strSql_Insert = "Insert into Purview_User_Have (username,nodeid,parentid,mytext,location,command_name,order_id,state) values('"+ username +"','"+ nodeid +"','"+ parentid +"','"+ mytext +"','"+ location +"','"+ command_name +"','"+ order_id +"',0)";
YljWeb.Classes.SqlConn.ExecuteSql(strSql_Insert);
}
catch(Exception er)
{
this.lbl_mesg.Text = "用户权限初始化失败！";
this.ShowErrMsg(" Sorry! 用户权限初始化失败！原因是："+ er.Message);
}
}
}
else
{
this.ShowErrMsg("对不起，系统功能列表为空，请先设置功能列表！2秒自动转到功能设置页面");
Response.Write("

1<meta content="2;url=Purview_All_Index.aspx" http-equiv="refresh"/>

");
}
}
this.lbl_mesg.Text = "用户权限初始化成功！";
this.ShowErrMsg(" 提示：用户权限初始化成功！");
}
else
{
this.ShowErrMsg("对不起，暂时没有用户，请先填加用户！2秒自动转到填加用户页面");
Response.Write("

1<meta content="2;url=Admin_List.aspx" http-equiv="refresh"/>

");
}
}
///

1<summary>   
2/// ////////////////////////////// 弹出消息框 ////////////////////////////////////////   
3/// </summary>

///

1<param name="MsgStr"/>

private void ShowErrMsg(string MsgStr)
{
this.Response.Write("

1<script language="javascript">");   
2this.Response.Write("alert('" +MsgStr + "');");   
3this.Response.Write("</script>

");
}

}
}