学生信息修改.aspx.cs

本系统是根据现代化校园的发展而设计的基于ASP的学生档案管理系统

using System;
using System.Data;
using System.Data.SqlClient;
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;

public partial class 学生信息修改 : System.Web.UI.Page
{
    public string sqlconn;
    DataRow dtr;
    SqlDataAdapter myadapter;
    SqlCommandBuilder scb;
    DataSet myDataSet;
    SqlConnection mysqlconnection;
    int returnValue;
    DataTable tb;
    int numberOfRow;
    protected void Page_Load(object sender, EventArgs e)
    {
        sqlconn = "data source=.;database=学生成绩智能管理系统;user id=sa;password=sa;";
        mysqlconnection = new SqlConnection(sqlconn);
        SqlCommand mysqlcommand = mysqlconnection.CreateCommand();
        mysqlcommand.CommandText = "select * from 学生表 where 学号=" + "'" +TextBox1.Text + "'";
        myadapter = new SqlDataAdapter();
        myadapter.SelectCommand = mysqlcommand;
        myDataSet = new DataSet();
        mysqlconnection.Open();
        numberOfRow = myadapter.Fill(myDataSet, "学生表");
        mysqlconnection.Close();
        tb = myDataSet.Tables["学生表"];
        Button2.Enabled = false;
        Button3.Enabled = false;
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if(numberOfRow!=0)
        {
            dtr = tb.Rows[0];
            Button2.Enabled = true;
            Button3.Enabled = true;
            TextBox2.Text = Convert.ToString(dtr["学号"]);
            TextBox3.Text = Convert.ToString(dtr["姓名"]);
            TextBox4.Text = Convert.ToString(dtr["性别"]);
            TextBox5.Text = Convert.ToString(dtr["院系"]);
            TextBox6.Text = Convert.ToString(dtr["出生日期"]);
            TextBox7.Text = Convert.ToString(dtr["家庭住址"]);
            TextBox8.Text = Convert.ToString(dtr["入学时间"]);
            TextBox9.Text = Convert.ToString(dtr["政治面貌"]);
            TextBox10.Text = Convert.ToString(dtr["备注"]);
        }
        else
        {
            Button2.Enabled = false;
            Button3.Enabled = false;
            Response.Write("<script>alert('该学生不存在');</script>");
        }
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        TextBox2.Text = "";
        TextBox3.Text = "";
        TextBox4.Text = "";
        TextBox5.Text = "";
        TextBox6.Text = "";
        TextBox7.Text = "";
        TextBox8.Text = "";
        TextBox9.Text = "";
        TextBox10.Text = "";
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        if(TextBox2.Text==""||TextBox3.Text==""||TextBox4.Text==""||TextBox5.Text==""||TextBox8.Text=="")
        {
            Response.Write("<script>alert('请完善信息!');</script>");
        }
        else
        {
            dtr = tb.Rows[0];
            dtr["学号"] = TextBox2.Text;
            dtr["姓名"] = TextBox3.Text;
            dtr["性别"] = TextBox4.Text;
            dtr["院系"] = TextBox5.Text;
            dtr["出生日期"] = TextBox6.Text;
            dtr["家庭住址"] = TextBox7.Text;
            dtr["入学时间"] = TextBox8.Text;
            dtr["政治面貌"] = TextBox9.Text;
            dtr["备注"] = TextBox10.Text;
            SqlCommandBuilder scb = new SqlCommandBuilder(myadapter);
            myadapter.Update(myDataSet.Tables["学生表"]);
            Response.Write("<script>alert('信息修改成功！');</script>");
        }
    }
}