query_delstudent_all.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;

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

    }

    public void bind_student_allinfo()
    {
        string sql = "select * from student_allinfo";

        DataSet ds = student_all.select_student_num(sql);
        GVstudent_allinfo.DataSource = ds;
        GVstudent_allinfo.DataBind();
    }

   
    protected void BtnQuery_Click(object sender, EventArgs e)
    {
        string sql = "select * from student_allinfo,student_info";
        if (TBxstudent_num.Text != "")
        {
            string student_num =TBxstudent_num.Text.Trim();
            sql += " where student_allinfo.student_ID=student_info.student_ID and student_info.student_num='" + student_num+"'";
        }

        DataSet ds = student_all.select_student_num(sql);
        GVstudent_allinfo.DataSource = ds;
        GVstudent_allinfo.DataBind();
    }

    protected void GVstudent_allinfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {Boolean flag = false;
        int student_allID = Convert.ToInt32(GVstudent_allinfo.DataKeys[e.RowIndex].Value.ToString());
        student_all sa = new student_all(student_allID);
        try
        {
            flag = student_all.del_student_allinfo(sa);
        }
        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>");
            bind_student_allinfo();

        }
    }
   

    
    protected void GVstudent_allinfo_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            ((LinkButton)(e.Row.Cells[6].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'");

        }
    }
}