查看提交作业.aspx.cs

简易版的学生作业提交系统

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 System.Data.SqlClient;

public partial class Home : System.Web.UI.Page
{
    string strConnection = "server=F45F1B20D9B348B;database=Student;uid=sa;pwd=1017;";
 
    protected void Page_Load(object sender, EventArgs e)
    { 
        if (Session["权限"].ToString() != "s")
        {
            Response.Redirect("Login.aspx");
        }
        GridViewBind1();
    }

    protected void UploadButton_Click(object sender, EventArgs e)
    {
        while (txtWorkName.Text == "" || txtWorkName.Text == null)
        {
            UploadStatusLabel.Text = "请先选择作业！";
        }
        String savePath = @"C:\Inetpub\wwwroot\hwork\homework\" + txtWorkName.Text+"\\";
        if (FileUpload1.HasFile)
        {
            String fileName = Session["用户名"].ToString() + ".rar";
            savePath += fileName;
            FileUpload1.SaveAs(savePath);
            UploadStatusLabel.Text = "你的文件已经保存为 " + fileName;   
        }
        else
        {
            UploadStatusLabel.Text = "你还没有选择要上传的文件！";
        }
    }

    private void GridViewBind1()
    {
        SqlConnection myConnection = new SqlConnection();
        myConnection.ConnectionString = strConnection;
        string cmdString = "select * from homework";
        SqlDataAdapter myAdapter = new SqlDataAdapter(cmdString, myConnection);
        myConnection.Open();
        DataSet mySet = new DataSet();
        myAdapter.Fill(mySet);
        myGridView.DataSource = mySet;
        myGridView.DataBind();
        myConnection.Close();
    }


    protected void myGridView_SelectedIndexChanged(object sender, EventArgs e)
    {
        txtWorkName.Text = myGridView.SelectedRow.Cells[0].Text;
        string path="http://localhost/hwork/homework/"+myGridView.SelectedRow.Cells[1].Text;
        LbtnDowmload.PostBackUrl = path;
    }










































   

    protected void LbtnDowmload_Click(object sender, EventArgs e)
    {
        if (txtWorkName.Text == "" || txtWorkName.Text == null)
        {
            Downloadlbl.Text ="请先选择要下载的作业!";
        }

    }
}