Admin/StudentAdd.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_StudentAdd : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    Alert alert = new Alert();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            zhuanyeInfo();
        }
    }
    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()));
        }
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        string xuehao = this.xuehao.Text;
        string strsql = "select * from xuesheng where xuehao='" + xuehao + "'";
        DataSet ds = data.GetDs(strsql, "ds");
        if (ds.Tables[0].Rows.Count > 0)
        {
            alert.Alertjs("学号已经存在!");
            return;
        }
        string xingming = this.xingming.Text;
        string xingbie = this.xingbie.Text;
        string zhuanyeID = this.zhuanye.SelectedItem.Value;
        string banji = this.banji.Text;
        string dianhua = this.dianhua.Text;
        string sql = "insert into xuesheng(xuehao,xingming,xingbie,zhuanyeID,banji,dianhua) values('" + xuehao+ "','" +xingming + "','" + xingbie + "'," + zhuanyeID + ",'" + banji + "','" + dianhua + "') ";
        data.RunSql(sql);
        Alert.AlertAndRedirect("添加成功", "StudentAdd.aspx");

    }
}