netQT/student_dark.aspx.cs

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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;

public partial class netQT_student_dark : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            new DataBind().bindDropDownList(DropDownList1, "select * from T_Teacher", "TeacherName", "T_ID");
        }
          
      

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        UpLoadFile(FileUpload1, Label1);
    }
  
    public void UpLoadFile(FileUpload fUpLoad, Label lbShowMsg)
    {
        int id = Convert.ToInt32(Session["S_ID"].ToString());
        bool Flag = false;
        string filePath = Server.MapPath(Request.ApplicationPath + "\\daima\\");
        if (fUpLoad.HasFile)
        {
            string fileExt = System.IO.Path.GetExtension(fUpLoad.FileName).ToLower();
            string[] allowedExt ={ ".txt", ".doc", ".xml", ".jpg", ".rar", ".ppt", ".htm" };
            for (int i = 0; i < allowedExt.Length; i++)
            {
                if (fileExt == allowedExt[i])
                {
                    Flag = true;
                }
            }
        }
        else
        {
            lbShowMsg.ForeColor = System.Drawing.Color.Red;
            lbShowMsg.Text = "请选择要上传的文件!";

        }
        if (fUpLoad.PostedFile.ContentLength > 1024000)
        {
            Flag = false;
        }
        if (Flag)
        {
            try
            {
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