usermanage.aspx.cs

guan yu pai ke xi tong de ruan jian

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
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;

using Y2T03.CourseScheduler.CourseBLL;
using Y2T03.CourseScheduler.CourseModel;

public partial class UserManage : System.Web.UI.Page
{
    /// <summary>
    /// 页面加载事件
    /// </summary>
    protected void Page_Load(object sender, EventArgs e)
    {
        //
        // 判断是否是首次加载
        //
        //if (!Page.IsPostBack)
        //{
        //    this.dtvAccount.Visible = false;
        //}
        //else
        //{
        //    this.dtvAccount.Visible = true;
        //}
    }

    protected void dtvAccount_ItemDeleting(object sender, DetailsViewDeleteEventArgs e)
    {
        try
        {
            string loginName = e.Keys["LoginName"].ToString();  // 获得 DetailsView 的 DataKeyNames 键值，该属性中保存有实体对象的主键

            bool flg = AccountSafetyBLL.Delete(loginName);  // 调用自定义的删除方法

            if (flg == true)
            {
                this.dtlAccount.DataBind(); // 重新绑定 DataList

                PopupMessage("用户删除成功!!!");  //弹出 "用户删除成功" 的消息提示框
            }
            else
            {
                PopupMessage("此用户为系统用户,不能删除!!!");  //弹出消息提示框
            }
            this.dtvAccount.ChangeMode(DetailsViewMode.ReadOnly);
        }
        catch (Exception ex)
        {
            string err = ex.Message;
        }
        finally
        {
            e.Cancel = true;    // 取消删除事件，不执行“删除”按钮绑定的方法
        }
    }

    /// <summary>
    /// 弹出操作结果
    /// </summary>
    /// <param name="message">弹出对话框信息内容</param>
    protected void PopupMessage(string message)
    {
        try
        {
            ClientScriptManager csm = this.Page.ClientScript;   // 获取管理客户端脚本的方法
            Type type = this.GetType();     // 获取类型
            string csKey = "PopupMessage";  // 设置消息

            //
            // 判断是否已经注册了启动脚本
            //
            if (!csm.IsStartupScriptRegistered(type, csKey))
            {
                string script = string.Format("alert('{0}');", message);    //格式化输出弹出消息的内容
                csm.RegisterStartupScript(type, csKey, script, true);   //注册启动脚本
            }
        }
        catch (Exception ex)
        {
            string err = ex.Message;
        }
    }

    protected void dtvAccount_ItemInserting(object sender, DetailsViewInsertEventArgs e)
    {
        try
        {
            //
            // 找到dtvAccount中的行中控件的值
            //
            TextBox loginName = this.dtvAccount.FindControl("txtLoginName") as TextBox;
            TextBox password = this.dtvAccount.FindControl("txtPassword") as TextBox;

            Account account = new Account();

            account.LoginName = loginName.Text.Trim().ToString();
            account.Password = password.Text.Trim().ToString();

            bool flg = AccountSafetyBLL.Create(account);  // 调用自定义的插入方法

            if (flg == true)
            {
                PopupMessage("添加成功!!!");
                this.dtlAccount.DataBind(); // 重新绑定 DataList
            }
            else
            {
                PopupMessage("用户名和密码长度最大 50 位或者用户名已经存在!!!");
            }
            this.dtvAccount.ChangeMode(DetailsViewMode.ReadOnly);
        }
        catch (Exception ex)
        {
            string err = ex.Message;
        }
        finally
        {
            e.Cancel = true;    // 取消插入事件，不执行“插入”按钮绑定的方法
        }
    }

    protected void dtvAccount_ItemUpdating(object sender, DetailsViewUpdateEventArgs e)
    {
        try
        {
            //
            // 找到dtvAccount中的行中控件的值
            //
            Label loginName = this.dtvAccount.FindControl("lblLoginName") as Label;
            TextBox password = this.dtvAccount.FindControl("txtPassword") as TextBox;

            Account account = new Account();

            account.LoginName = loginName.Text.Trim().ToString();
            account.Password = password.Text.Trim().ToString();

            bool flg = AccountSafetyBLL.Update(account);  // 调用自定义的更新方法

            if (flg == true)
            {
                PopupMessage("修改成功!!!");
            }
            else
            {
                PopupMessage("密码长度最大 50 位!!!");
            }
            this.dtvAccount.ChangeMode(DetailsViewMode.ReadOnly);
        }
        catch (Exception ex)
        {
            string err = ex.Message;
        }
        finally
        {
            e.Cancel = true;    // 取消更新事件，不执行“更新”按钮绑定的方法
        }
    }
}