使用 System.Web.Security; 
使用 System.Web.UI; 
使用 System.Web.UI.HtmlControls; 
使用 System.Web.UI.WebControls; 
使用 System.Web.UI.WebControls.WebParts; 
使用 System.Xml.Linq; 
使用 System.IO; 
使用 BU_AppCode; 
使用 System.Data.SqlClient; 
 public   partial   class  PopUp ：System.Web.UI.Page 
 {
 protected   void  Page_Load（ object  sender，EventArgs e）{} 
 protected   void  btnSave_Click（ object  sender，EventArgs e）
 {
 string  SavePath2 = Server.MapPath（ 〜/ BU_Web1 / UploadedFile / Einwilligung /）; 
 string  fileNameList =  ; 
 if （fp_Makler.HasFile）
 {
 string  SavePath1 = Server.MapPath（ 〜/ BU_Web1 / UploadedFile / Maklerauftrag /）; 
 lb_Message.Text =  ; 
 string  FileName1 = Path.GetFileNameWithoutExtension（fp_Makler.FileName）; 
 string  FileExtension1 = Path.GetExtension（fp_Makler.FileName）; 
 float  FileSize1 = fp_Makler.PostedFile.ContentLength; 
 FileSize1 = FileSize1 /  1024 ; 
 string  uniqueName1 =   YourFileName跨度>; 
 SavePath1 = SavePath1 + uniqueName1 + FileExtension1; 
 if （FileSize1 <   15360 ） //  && FileSize2< 15360）//如果文件大小小于15 MB，则将其限制 
 {
 fp_Makler.SaveAs（SavePath1）; 
 fileNameList + =  ， + uniqueName1 + FileExtension1; 
} 

 else  
 {
 lb_Message.Text = FileName1 + FileExtension1 +   Datei istzugroß; 
} 

} 
 if （fileNameList！=  ）
 {
 SqlCommand cmd =  new  SqlCommand（）; 
 cmd.CommandText =   SP_Fr_FileUpDate; 
 SqlParameterCollection paramColl = cmd.Parameters; 
 paramColl.AddWithValue（  @ fileNameList，fileNameList.Substring（ 1 跨度>））; 
 paramColl.AddWithValue（  @ Kundennummer，Request.QueryString [  Kundennummer]）; 
尝试 
 {
 BU_UtilDB.ExecuteProcedure（cmd）; 
} 
 catch （例外情况）
 {

} 
 Page.RegisterStartupScript（  ， < script type ='text / javascript'> window.opener.location.href ='StatusBU.aspx'; window.close（）< / script>）; 

} 
 else  
 {
 lb_Message.Text =   Es wurde keine Datei zum上传ausgewählt; 
} 
} 
} 

Dear Friends,

You will be very much thankful if you solve the below problem.

using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.IO;
using BU_AppCode;
using System.Data.SqlClient;
public partial class PopUp : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e) { }
    protected void btnSave_Click(object sender, EventArgs e)
    {     
        string SavePath2 = Server.MapPath("~/BU_Web1/UploadedFile/Einwilligung/");
        string fileNameList = "";
        if (fp_Makler.HasFile)
        {
            string SavePath1 = Server.MapPath("~/BU_Web1/UploadedFile/Maklerauftrag/");
            lb_Message.Text = "";
            string FileName1 = Path.GetFileNameWithoutExtension(fp_Makler.FileName);
            string FileExtension1 = Path.GetExtension(fp_Makler.FileName);
            float FileSize1 = fp_Makler.PostedFile.ContentLength;
            FileSize1 = FileSize1 / 1024;
            string uniqueName1 = "YourFileName";         
            SavePath1 = SavePath1 + uniqueName1 + FileExtension1;
            if (FileSize1 < 15360) //&& FileSize2 < 15360) //If file size less than 15 MB, Then contine it
            {
                fp_Makler.SaveAs(SavePath1);
                fileNameList += "," + uniqueName1 + FileExtension1;
            }

            else
            {
                lb_Message.Text = FileName1 + FileExtension1 + " Datei ist zu groß";
            }

        }
 if (fileNameList != "")
        {
            SqlCommand cmd = new SqlCommand();
            cmd.CommandText = "SP_Fr_FileUpDate";
            SqlParameterCollection paramColl = cmd.Parameters;
            paramColl.AddWithValue("@fileNameList", fileNameList.Substring(1));
            paramColl.AddWithValue("@Kundennummer", Request.QueryString["Kundennummer"]);
            try
            {
                BU_UtilDB.ExecuteProcedure(cmd);
            }
            catch (Exception ex)
            {
              
            }
            Page.RegisterStartupScript("", "<script type='text/javascript'>window.opener.location.href='StatusBU.aspx';window.close()</script>");

        }
        else
        {
            lb_Message.Text = "Es wurde keine Datei zum Upload ausgewählt";
        }
}
}