select_del_teacher.aspx.cs

项目开发完整系统

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 XTeamBBL;
using XTeamDBL;

public partial class select_del_teacher : System.Web.UI.Page
{
    
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    private void init_teacher()
    {
        string sql = "select teacher_ID,teacher_name,teacher_sex,teacher_age,teacher_phone,teacher_email from teacher_info";
        DataSet t_select = teacher.select_teacher(sql);
        select_info.DataSource = t_select;
        select_info.DataBind();
        select_info.Visible = true;
    }
    protected void btn_select_Click(object sender, EventArgs e)
    {
        string sql = "select teacher_ID,teacher_name,teacher_sex,teacher_age,teacher_phone,teacher_email from teacher_info where ";
        if (t_name.Text!="")
           sql=sql+" teacher_name like '%"+t_name.Text.Trim()+"%'";
        else
            sql=sql+" teacher_name like '%'";
        if (dept.SelectedValue != "")
            sql = sql + " and dept_ID=" + Convert.ToInt32(dept.SelectedValue);

        if (rate.SelectedValue != "")
            sql = sql + " and rate_ID=" + Convert.ToInt32(rate.SelectedValue);
        if (tIS_work.Checked)
            sql = sql + " and IS_work=1";
        if (tIS_fire.Checked)
            sql = sql + " and IS_fire=1";
        if (tIS_head.Checked)
            sql = sql + " and IS_teacherhead=1";

        DataSet t_select = teacher.select_teacher(sql);
        select_info.DataSource = t_select;
        select_info.DataBind();
        select_info.Visible = true;
        
    }
   
    protected void select_info_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        Boolean flag=false;
        int teacherID = Convert.ToInt32(select_info.DataKeys[e.RowIndex].Value.ToString());
        teacher tc = new teacher(teacherID);
        try 
        { 
           flag = teacher.del_teacher(tc);
        }
        catch (Exception)
        {
            Response.Write("<script>alert('删除失败,可能存在数据依赖,请先删除其他数据,再执行些操作');</script>");
        }
        finally
        {
         if (flag) { Response.Write("<script>alert('删除成功');</script>");}
         else Response.Write("<script>alert('删除失败');</script>");
           init_teacher();
        }
       
        
    }
    protected void select_info_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        
        if (e.Row.RowType==DataControlRowType.DataRow)
        {
            ((LinkButton)(e.Row.Cells[7].Controls[0])).Attributes.Add("onclick", "return confirm('确定要删除吗')");
            e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E0E0E0';this.style.cursor='hand'");
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='white'");
           
        }
        
        
    }
}