teacherinfoview.aspx.cs

在线考试系统 主要真对考试 开发的个人项目

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 teacherInfoView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["adminId"] == null)
            Response.Redirect("Default.aspx");
        else
        {
            if (!IsPostBack)
            {
                BindGrid();
            }
        }
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        BindGrid();
    }
    void BindGrid()
    {
        DataSet ds = new DataSet();
        ds = (new projClass()).getTeacherAllInfo();
        DataTable dt = ds.Tables["teacherInfo"];
        DataView dv = new DataView(dt);
        this.GridView1.DataSource = dv;
               if (dv.Count == 0)
        {
            lbl_noResult.Visible = true;
            this.GridView1.Visible = false;
        }
        else
        {
            lbl_noResult.Visible = false;
            this.GridView1.Visible = true;
        }
        this.GridView1.DataBind();

    }


    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
         string teacherId = GridView1.DataKeys[e.RowIndex].Value.ToString();
        int deleteTeacher = (new projClass()).deleteTeacherInfo(teacherId);
        BindGrid();
    }
  
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        if (tbx_teacherId.Text.Trim() == "" || tbx_teacherName.Text.Trim() == "" || tbx_teacherPwd.Text.Trim() == "")
            this.Label1.Text = "添加信息不能为空";
        else
        {
            int count = (new projClass()).ifTeacherExist(tbx_teacherId.Text.Trim());
            if (count == 1)
                this.Label1.Text = "该ID已经存在!请重新输入!";
            else
            {
                count = (new projClass()).insertTeacherinfo(tbx_teacherId.Text.Trim(), tbx_teacherPwd.Text.Trim(), tbx_teacherName.Text.Trim(), "none");
                if (count == 0)
                    this.Label1.Text = "插入失败!";

                this.Label1.Text = "插入成功！";
                this.tbx_teacherId.Text = "";
                this.tbx_teacherName.Text = "";
                this.tbx_teacherPwd.Text = "";
                this.TextBox1.Text = "";
                BindGrid();
            }           

        }
    }
    protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
    {
        this.tbx_teacherId.Text = "";
        this.tbx_teacherName.Text = "";
        this.tbx_teacherPwd.Text = "";
        this.TextBox1.Text = "";
    }
}