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;
using MyOnLineExam.DataAccessLayer;
using MyOnLineExam.BusinessLogicLayer;

public partial class Web_admin_PaperLists : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            InitData();
        }
    }
    protected void InitData()
    {
        Paper paper = new Paper();
        DataSet ds = paper.QueryAllPaper();        
        GridView1.DataSource = ds;
        GridView1.DataBind();
    }
    //GridView控件RowCanceling事件
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowDeleting事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        Paper paper = new Paper();      //创建Paper对象
        int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值
        if (paper.DeleteByProc(ID))
        {
            Response.Write("<script language=javascript>alert('成功删除该试卷！')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('删除试卷失败！')</script>");
        }
    }
    //GridView控件RowUpdating事件
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值
        Paper paper = new Paper();      //创建Paper对象
        paper.PaperState = bool.Parse(((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtPaperState")).Text);
        if (paper.UpdateByProc(ID))//使用Paper类UpdateByProc方法修改试卷状态
        {
            Response.Write("<script language=javascript>alert('修改成功!')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('修改失败!')</script>");
        }
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowEditing事件
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        GridView1.EditIndex = e.NewEditIndex;  //GridView编辑项索引等于单击行的索引
        InitData();
    }
}