Manage/jiaoshiAdd.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

public partial class Manage_jiaoshiAdd : System.Web.UI.Page
{
    DBLink db = new DBLink();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            yuanxiInfo();
        }
    }
    private void yuanxiInfo()
    {
        string sql;
        sql = "select * from yuanxi order by id desc";
        DataSet result = new DataSet();
        result = db.hsggetdata(sql);
        for (int i = 0; i < result.Tables[0].Rows.Count; i++)
        {
            DropDownList2.Items.Add(result.Tables[0].Rows[i]["Name"].ToString());
        }
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (this.DropDownList1.Text == "系部负责人")
        {
            this.DropDownList2.Visible = true;
            this.Label1.Visible = true;
            
        }
        else 
        {
            this.DropDownList2.Visible = false;
            this.Label1.Visible = false;
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string Flag = this.DropDownList1.Text;
        string xibu = "0";
        if (Flag == "系部负责人") 
        {
            xibu = this.DropDownList2.Text;
        }
        string bianhao = this.bianhao.Text;
        string xingming = this.xingming.Text;
        string xingbie = this.xingbie.Text;
        string zhicheng = this.zhicheng.Text;
        string dianhua = this.dianhua.Text;
        string strsql = "select * from jiaoshi where bianhao='" + bianhao + "'";
        DataSet result = new DataSet();
        result = db.hsggetdata(strsql);
        if (result.Tables[0].Rows.Count > 0)