Admin/kechengAdd.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 Admin_kechengAdd : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    Alert alert = new Alert();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            zhuanyeInfo();
            jiaoshiInfo();
        }
    }
    private void zhuanyeInfo()
    {
        DataSet result = new DataSet();
        result = data.GetDs("select * from zhuanye", "ds");
        for (int i = 0; i < result.Tables[0].Rows.Count; i++)
        {
            zhuanye.Items.Add(new ListItem(result.Tables[0].Rows[i]["zhuanyeName"].ToString(), result.Tables[0].Rows[i]["ID"].ToString()));
        }
    }
    private void jiaoshiInfo()
    {
        DataSet result = new DataSet();
        result = data.GetDs("select * from jiaoshi", "ds");
        for (int i = 0; i < result.Tables[0].Rows.Count; i++)
        {
            jiaoshi.Items.Add(new ListItem(result.Tables[0].Rows[i]["xingming"].ToString(), result.Tables[0].Rows[i]["ID"].ToString()));
        }
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        string kechengName = this.kechengName.Text;
        string xuenian = this.xuenian.Text;
        string xueqi = this.xueqi.Text;
        string zhuanyeID = this.zhuanye.SelectedItem.Value;
        string jiaoshiID = this.jiaoshi.SelectedItem.Value;
        string strsql = "select * from kecheng where kechengName='" + kechengName + "' and xuenian='" + xuenian + "' and xueqi='"+xueqi+"'";
        strsql += " and zhuanyeID=" + zhuanyeID + " and jiaoshiID =" + jiaoshiID + "";
        DataSet ds = data.GetDs(strsql, "ds");
        if (ds.Tables[0].Rows.Count > 0)
        {
            alert.Alertjs("信息已经存在!");
            return;
        }
        string sql = "insert into kecheng(kechengName,xuenian,xueqi,zhuanyeID,jiaoshiID) values('" + kechengName + "','" + xuenian + "','" + xueqi + "'," + zhuanyeID + "," + jiaoshiID + ") ";
        data.RunSql(sql);
        Alert.AlertAndRedirect("添加成功", "kechengAdd.aspx");

    }
}