userapproved.aspx.cs

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class UserApproved : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if (!IsPostBack)
		{
			getUsers();	//将用户读进DropDownList
			ShowApproved(); //显示帐号是否可以进行验证状态
		}
    }

	//显示帐号是否可以进行验证状态
	protected void btnShowApproved_Click(object sender, EventArgs e)
	{
		ShowApproved(); 
	}

	//将用户读进DropDownList
	protected void getUsers()
	{
		//加入请选择用户
		dwnUserName.Items.Add("请选择用户");
		cbxIsApproved.Checked = false;
		cbxIsApproved.Enabled = false;

		//取得所有用户的集合
		MembershipUserCollection Users = Membership.GetAllUsers();
		//将用户的集合中的用户名加入DropDownList
		foreach (MembershipUser singleUser in Users)
		{
			dwnUserName.Items.Add(singleUser.UserName);
		}
	}


	//显示帐号是否可以进行验证状态
	private void ShowApproved()
	{
		DataTable dtApproved = new DataTable();
		dtApproved.Columns.Add("UserName",typeof(string));
		dtApproved.Columns.Add("IsApproved", typeof(Boolean));

		//取出Membership中所有用户
		MembershipUserCollection Users = Membership.GetAllUsers();

		foreach(MembershipUser singleUser in Users)
		{
			DataRow singleRow = dtApproved.NewRow();
			singleRow["UserName"] = singleUser.UserName;

			singleRow["IsApproved"] = (singleUser.IsApproved == true ? true : false);

			dtApproved.Rows.Add(singleRow);
		}

		GridView1.DataSource = dtApproved;
		GridView1.DataBind();
	}

	//显示用户名称之DropDownList控制项选项变更时的事件
	protected void dwnUserName_SelectedIndexChanged(object sender, EventArgs e)
	{
		//默认的请选择用户项目
		if (dwnUserName.SelectedIndex == 0)
		{
			//CheckBox不作用
			cbxIsApproved.Checked = false;
			cbxIsApproved.Enabled = false;
		}
		else
		{
			//设定被选择>用户其IsApproved状态
			cbxIsApproved.Enabled = true;
			MembershipUser singleUser = Membership.GetUser(dwnUserName.SelectedItem.ToString());
			cbxIsApproved.Checked = (singleUser.IsApproved == true ? true : false);
		}		 
	}

	//更改存储Approved状态
	protected void btnSave_Click(object sender, EventArgs e)
	{
		if (dwnUserName.SelectedIndex != 0)
		{
			MembershipUser singleUser = Membership.GetUser(dwnUserName.SelectedItem.ToString());

			singleUser.IsApproved = cbxIsApproved.Checked;
			Membership.UpdateUser(singleUser);	//更新Membership资料
		}

		ShowApproved();
	}
}