发布作业.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 teacher : 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() != "t")
        {
            Response.Redirect("Login.aspx");
        }
        GridViewBind();
    }
    protected void UploadButton_Click(object sender, EventArgs e)
    {
        String savePath = @"C:\Inetpub\wwwroot\hwork\homework\";
        if (FileUpload1.HasFile)
        {
            String fileName = FileUpload1.FileName;
            savePath += fileName;
            FileUpload1.SaveAs(savePath);
            UploadStatusLabel.Text = "你的文件已经保存为 " + fileName;
            try
            {
                SqlConnection Connection = new SqlConnection();
                String strSQL = "insert into homework (作业名称,提交期限,资料名称) values('" + txtWorkName.Text + "','"+txtDate.Text+"','" + fileName + "')";
                Connection.ConnectionString = strConnection;
                SqlCommand command = new SqlCommand(strSQL, Connection);
                Connection.Open();
                command.ExecuteNonQuery();
                Connection.Close();
                System.IO.Directory.CreateDirectory(@"C:\Inetpub\wwwroot\hwork\homework\" + txtWorkName.Text);
                GridViewBind();
            }
            catch (Exception) 
            {
                UploadStatusLabel.Text = "同名作业！如要上传该作业，请更改作业名称！";
            }
            
        }
        else
        {
            UploadStatusLabel.Text = "你还没有选择要上传的文件！";
        }
    }
    private void GridViewBind()
    {
        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 Button1_Click(object sender, EventArgs e)
    {

    }
}