admin_singleselectlists.aspx.cs

在线考试系统完整版源码(C#&Access) 该考试系统为一同学毕业设计

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 ExamBLL.Auto_Generated_Code;
using ExamModel.Auto_Generated_Code;

public partial class Admin_admin_SingleSelectLists : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            InitDDLData();          //初始化考试科目下拉列表框          

        }
    }
    //初始化考试科目
    protected void InitDDLData()
    {
        DataSet ds = CourseManager.QueryCourse();
        ddlCourse.DataSource = ds;
        ddlCourse.DataTextField = "CourseName";
        ddlCourse.DataValueField = "CourseID";
        ddlCourse.DataBind();
        GridViewBind();
    }
    ////显示选择科目的单选题
    protected void ddlCourse_SelectedIndexChanged(object sender, EventArgs e)
    {
        GridViewBind();//为GridView绑定数据
    }
    //GridView控件绑定数据事件
    protected void GridViewBind()
    {
        Course course = CourseManager.GetCourseByString(this.ddlCourse.SelectedItem.Text.Trim());
        DataSet ds = SingleProblemManager.GetSingproByCoursename(course);
        GridView1.DataSource = ds.Tables[0].DefaultView;
        GridView1.DataBind();     //绑定数据


    }
    //触发删除事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {

       int singProID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString());
       if (SingleProblemManager.DeleteSingleById(singProID))
       {
           Response.Write("<script language=javascript>alert('成功删除试题！')</script>");
       }
       else
       {
           Response.Write("<script language=javascript>alert('删除试题失败！')</script>");
       }
       GridView1.EditIndex = -1;
       GridViewBind();   //重新绑定数据
    }
    //删除多条记录
    protected void btnDel_Click(object sender, EventArgs e)
    {

        foreach (GridViewRow dr in GridView1.Rows)//对GridView中的每一行进行判断
        {
            if (((CheckBox)dr.FindControl("xuanze")).Checked)
            {
                int singProId = int.Parse(((Label)dr.FindControl("Label1")).Text);
                SingleProblemManager.DeleteSingleById(singProId);
            }
        }
        GridViewBind();   //重新绑定数据

    }
}