usersmanagement.aspx.cs

C#2.0宝典源码,C#经典书籍,很多例子

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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 StudentsMIS.DataAccess;
using StudentsMIS.Security;

namespace StudentsMIS.Web.SystemManagement
{
	/// <summary>
	/// UsersManagement 的摘要说明。
	/// </summary>
	public partial class UsersManagement : StudentsMIS.Security.BaseAdminPage
	{

    private UserEntity entity = new UserEntity();
    private UserManager manager = new UserManager();

    private void ShowMessage(string msg)
    {
      msg = msg.Replace("\'",@"\'").Replace('\"','\"');
      Response.Write("<script defer language='javascript'>alert('" + msg + "')</script>");
    }
  
		protected void Page_Load(object sender, System.EventArgs e)
		{
      if(!Page.IsPostBack)
      {
        Bind_dataGridAdmins();
      }
		}

    private void Bind_dataGridAdmins()
    {
      DataSet ds = CommandBuilder.BuildOleDbDataSet("Select * From Admin Order By admin_level asc");
      dataGridAdmins.DataSource = ds.Tables[0].DefaultView;
      dataGridAdmins.DataBind();
    }

		#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);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
      this.dataGridAdmins.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.dataGridAdmins_ItemCreated);
      this.dataGridAdmins.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dataGridAdmins_CancelCommand);
      this.dataGridAdmins.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dataGridAdmins_EditCommand);
      this.dataGridAdmins.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dataGridAdmins_UpdateCommand);
      this.dataGridAdmins.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dataGridAdmins_DeleteCommand);

    }
		#endregion

    protected void CheckBoxShowPassColumn_CheckedChanged(object sender, System.EventArgs e)
    {
      if(CheckBoxShowPassColumn.Checked)
      {
        dataGridAdmins.Columns[3].Visible = true;
      }
      else
      {
        dataGridAdmins.Columns[3].Visible = false;
      }
    }

    protected void btnAddAdmin_Click(object sender, System.EventArgs e)
    {
      if(txtUserID.Text.Trim()=="")
      {
        ShowMessage("请输入用户名!");
        return;
      }
      else
      {
        entity.AdminID = txtUserID.Text.Trim();
      }

      if(txtUserName.Text.Trim()=="")
      {
        ShowMessage("请输入用户姓名!");
      }
      else
      {
        entity.AdminName = txtUserName.Text.Trim();
      }

      entity.AdminLevel = ddListAdminLevel.SelectedValue.Trim();
      entity.AdminPassword = new Random().Next(999999).ToString();

      try
      {
        if(manager.Insert(entity)==0)
        {
          ShowMessage("此用户名已经存在，不能添加，请重新输入!");
          return;
        }
        Bind_dataGridAdmins();
        ShowMessage("添加用户成功!");
      }
      catch(Exception e1)
      {
        ShowMessage(e1.Message);
      }
    }

    private void dataGridAdmins_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
    {
      manager.Delete(e.Item.Cells[0].Text.Trim());
      Bind_dataGridAdmins();
    }

    private void dataGridAdmins_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
    {
      dataGridAdmins.EditItemIndex = e.Item.ItemIndex;
      Bind_dataGridAdmins();
    }

    private void dataGridAdmins_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
    {
      dataGridAdmins.EditItemIndex = -1;
      Bind_dataGridAdmins();
    }

    private void dataGridAdmins_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
    {
      ListItemType itemType = (ListItemType)e.Item.ItemType;
      if (itemType == ListItemType.Item || itemType == ListItemType.AlternatingItem || itemType == ListItemType.SelectedItem || itemType == ListItemType.EditItem)
      {
        LinkButton myDeleteButton = (LinkButton)e.Item.Cells[5].Controls[0];
        myDeleteButton.Attributes.Add("onclick", "return confirm('您真的要删除此行记录吗？');");
      }
    }

    private void dataGridAdmins_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
    {
      if(((TextBox)e.Item.Cells[1].Controls[0]).Text.Trim()=="")
      {
        ShowMessage("请输入用户姓名!");
        return;
      }
      else
      {
        entity.AdminName = ((TextBox)e.Item.Cells[1].Controls[0]).Text.Trim();
      }

      entity.AdminLevel = ((DropDownList)e.Item.Cells[2].FindControl("ddListType")).SelectedValue.Trim();

      entity.AdminID = e.Item.Cells[0].Text.Trim();

      try
      {
        manager.Update(entity);
        dataGridAdmins.EditItemIndex = -1;
        Bind_dataGridAdmins();
        ShowMessage("修改用户信息成功!");
      }
      catch(Exception e1)
      {
        ShowMessage(e1.Message);
      }
    }
	}
}