How to get posted file from upload file or html in put file?

[maroon halaa]

Hi all..

my project is in c sharp
and must upload pictures to MySql DataBase

the uploadfile controle is included in asp form that i made

but the problem is that the uploadfile always get the Postedfile = null

i tried to use html input file but the same problem still


here's my code :

<%@ Page Language="C#" MasterPageFile="~/MasterPageB.master" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="Add_Pictures" Title="Untitled Page" %>
<%@ MasterType TypeName="MasterPageB" %>
<%@ Register assembly="MyFormView" namespace="MyFormView" tagprefix="asp" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
 
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolderB" Runat="Server">
 
<asp:MyForm ID="AddPictureMyForm" runat="server" method="post"
        DataSourceID="picturesqlDataSource" Show_Cancel_button="true" 
        DefaultMode="Insert" DataKeyNames="id" Visible="true" Width="75%" 
        Height="390px">
        <InsertItemTemplate>
         <asp:Panel ID="InsertPanel" runat="server" BorderStyle="Solid" BorderWidth="2px"  
           ScrollBars="Auto" Width="100%" Height="100%">
           <table style="width:657px; height: 233px;" align="center">
           <tr>
              <td align="center" style="font-weight: bold; width: 98px; height: 30px;">
                   &nbsp;</td>
              <td style="height: 30px;" colspan="3">
                    &nbsp;</td>
           </tr>
           <tr>
            <td align="center" style="font-weight: bold; width: 98px; height: 30px;">
                        <span style="color:Red">*</span><asp:Label ID="TitleLabel" runat="server" 
                            Text="Title"></asp:Label>
                    </td>
                    <td style="height: 30px" colspan="3" >
                        <asp:TextBox ID="TitleTextBox" runat="server" Height="22px" Width="175px" MaxLength="50"></asp:TextBox>
                    </td>
           </tr>
           <tr>
           <td align="center" style="font-weight: bold; width: 98px; height: 37px;">
                        <asp:Label ID="DescriptionLabel" runat="server" Text="Description"></asp:Label>
                    </td>
                    <td style="height: 37px" colspan="3">
                        <asp:TextBox ID="DescriptionTextBox" runat="server" Height="22px" Width="465px" MaxLength="250"></asp:TextBox>
                    </td>
           </tr>
           <tr>
             <td align="center" style="font-weight: bold; width: 98px; height: 30px;">
                        <span style="color:Red">*</span><asp:Label ID="pathLabel" runat="server" 
                            Text="path"></asp:Label>&nbsp;</td>
                    <td style="height: 30px" colspan="3">
                        <input ID="MyFile" runat="server" align="left" alt="rtl" 
                            onclick="return filMyFile_onclick()" type="file" visible="False" />
                            <asp:TextBox ID="pathTextBox" runat="server" Height="22px" MaxLength="100" 
                            Width="467px" Visible="False"></asp:TextBox>
                        <asp:FileUpload ID="FileUpload1" runat="server" />
                    </td>
           </tr>
           <tr>
               <td align="center" style=" font-weight: bold; width: 98px; height: 36px;">
                        <asp:Label ID="ReferenceLabel" runat="server" 
                            Text="Reference"></asp:Label>
                        </td>
                    <td style="height: 36px; width: 238px;" >
                           <asp:TextBox ID="ReferenceTextBox" runat="server" Height="22px" MaxLength="100" 
                               Width="178px"></asp:TextBox>
 
                     </td> 
           </tr>
           <tr>
            <td align="center" style="font-weight: bold; width: 98px; height: 34px;">
                        <span style="color:Red">*</span><asp:Label ID="TypeLabel" runat="server" 
                            Text="type"></asp:Label>
                        &nbsp;</td>
                    <td style="height: 34px; width: 238px;">
                        <asp:DropDownList ID="TypeDropDownList" runat="server" 
                            DataSourceID="TypeSqlDataSource" DataTextField="name" 
                            DataValueField="id" Height="22px" 
                            ondatabound="TypeDropDownList_DataBound" Width="181px">
                        </asp:DropDownList>
                    </td>
                    <td rowspan="4" align="center" style="width: 238px">
                        <asp:Image ID="imgDB" runat="server" Visible="False" />
                    </td>
                    <td rowspan="4" style="width: 73px">
                        &nbsp;</td>
           </tr>
           <tr>
               <td align="left" style="font-weight: bold; width: 98px; height: 34px;">
                        <asp:Label ID="anniversaryLabel" runat="server" Text="anniversary"></asp:Label>
                    </td>
                    <td style="width: 238px; height: 50px;">
                        <asp:TextBox ID="anniversaryTextBox" runat="server" Height="22px" 
                            MaxLength="15" Width="178px"></asp:TextBox>
                        <asp:ImageButton ID="calendar_Date" runat="server" 
                            ImageUrl="~/images/Calendar.png" />
                        <cc1:CalendarExtender ID="AddMyCalendar" runat="server" Enabled="True" 
                            FirstDayOfWeek="Saturday" Format="dd/MM/yyyy" PopupButtonID="calendar_Date" 
                            PopupPosition="BottomRight" TargetControlID="anniversaryTextBox">
                        </cc1:CalendarExtender>
                    </td>
           </tr>
           <tr>
                 <td align="center" style="font-weight: bold; width: 98px; height: 34px;">
                        &nbsp;</td>
                    <td style="width: 238px; height: 50px;">
                        &nbsp;</td>
           </tr>
           </table> 
           </asp:Panel>
        </InsertItemTemplate>
        </asp:MyForm>
 
 <asp:ImageButton ID="AddImageButton" runat="server" 
        ImageUrl="~/images/controls/upload 1.gif"  
        Height="30px" Width="119px" onclick="AddImageButton_Click1" />
 
 <asp:SqlDataSource ID="TypeSqlDataSource" runat="server"
     ConnectionString="<%$ ConnectionStrings:info_con %>" 
        ProviderName="<%$ ConnectionStrings:info_con.ProviderName %>" 
 
        SelectCommand="SELECT * FROM picture_type" >
        </asp:SqlDataSource>
 
 <asp:SqlDataSource ID="picturesqlDataSource" runat="server" 
         ConnectionString="<%$ ConnectionStrings:info_con %>" 
         ProviderName="<%$ ConnectionStrings:info_con.ProviderName %>" 
         InsertCommand="INSERT INTO pictures (title, description, type, path, reference, ac_id, anniversary) VALUES (@title, @description, @type, @path, @reference, 8, @anniversary)"  
         SelectCommand="">
         <InsertParameters>
          <asp:Parameter Name="title" />
          <asp:Parameter Name="description" />
          <asp:Parameter Name="type" />
          <asp:Parameter Name="path" />
          <asp:Parameter Name="reference" />
          <asp:Parameter Name="anniversary" />
        </InsertParameters>
        <SelectParameters>
        <asp:Parameter Name="path" />
        </SelectParameters>
    </asp:SqlDataSource>
</asp:Content>
 

 using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
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 MySql.Data.MySqlClient;
using Webdll;
using System.Collections.Generic;
using System.IO;
 
public partial class Add_Pictures : BasicPage
{
    protected void Page_Init(object sender, EventArgs e)
    {
        base.SetMaster(Master, AddPictureMyForm);
 
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            Master.Labelb = "Adding";
        }
    }
    protected void Page_SaveStateComplete()
    {
        if ((AddPictureMyForm.Visible == true) && (AddPictureMyForm.FooterRow != null))
        {
            List<ControlsToValidate> list = new List<ControlsToValidate>();
            TextBox tx1 = (TextBox)AddPictureMyForm.FooterRow.FindControl("TitleTextBox");
            TextBox tx2 = (TextBox)AddPictureMyForm.FooterRow.FindControl("DescriptionTextBox");
            TextBox tx3 = (TextBox)AddPictureMyForm.FooterRow.FindControl("pathTextBox");
            TextBox tx4 = (TextBox)AddPictureMyForm.FooterRow.FindControl("ReferenceTextBox");
            TextBox tx5 = (TextBox)AddPictureMyForm.FooterRow.FindControl("anniversaryTextBox");
 
 
            ImageButton bt_add = AddImageButton;
 
            if (bt_add != null)
            {
                list.Add(new ControlsToValidate(tx1, CDataType.text, true, 50));
                list.Add(new ControlsToValidate(tx2, CDataType.text, false, 250));
                list.Add(new ControlsToValidate(tx3, CDataType.text, true, 100));
                list.Add(new ControlsToValidate(tx4, CDataType.text, false, 100));
                list.Add(new ControlsToValidate(tx5, CDataType.date, false, 15));
 
                ValidateControls(bt_add, list, message_type.alert);
            }
 
        }
    }
 
 
    private void WriteToFile(string FileName, ref byte[] Buffer)
    {
        FileStream fs = new FileStream(FileName, FileMode.Create);
        fs.Write(Buffer, 0, Buffer.Length);
        fs.Close();
    }
    private int WriteToDB(string fileName, ref byte[] Buffer)
    {
        picturesqlDataSource.SelectCommand = "SELECT id, COUNT(*) AS count FROM pictures WHERE path = " + fileName + " GROUP BY id;";
        DataView dv; DataRowView drv;
        dv = (DataView)picturesqlDataSource.Select(DataSourceSelectArguments.Empty);
        drv = dv[0];
        if (Convert.ToInt32(drv["count"]) > 0)
        { ScriptManager.RegisterStartupScript(this, this.GetType(), this.ToString(), @"<script language=""JavaScript"">window.alert('Duplicate in picture'); </script>", false); }
        else
        {
            string anniversary = "";
            try
            {
                DateTime dt = Convert.ToDateTime(((TextBox)AddPictureMyForm.FindControl("anniversaryTextBox")).Text);
                anniversary = dt.ToString("yyyy-MM-dd");
            }
            catch { }
 
 
            picturesqlDataSource.InsertParameters["title"].DefaultValue = ((TextBox)AddPictureMyForm.FindControl("TitleTextBox")).Text;
            picturesqlDataSource.InsertParameters["description"].DefaultValue = ((TextBox)AddPictureMyForm.FindControl("DescriptionTextBox")).Text;
            picturesqlDataSource.InsertParameters["path"].DefaultValue = fileName;
            picturesqlDataSource.InsertParameters["reference"].DefaultValue = ((TextBox)AddPictureMyForm.FindControl("ReferenceTextBox")).Text;
            picturesqlDataSource.InsertParameters["type"].DefaultValue = ((DropDownList)AddPictureMyForm.FindControl("TypeDropDownList")).SelectedValue;
            picturesqlDataSource.InsertParameters["anniversary"].DefaultValue = anniversary;
            //picturesqlDataSource.InsertParameters["Data"].DefaultValue = Buffer.ToString();
 
            try  // test inesrt command
            {
                picturesqlDataSource.Insert();
                Action_status = event_status.success;
                ScriptManager.RegisterStartupScript(this, this.GetType(), this.ToString(), @"<script language=""JavaScript"">window.alert('Successfully Done'); </script>", false);
                picturesqlDataSource.SelectCommand = "SELECT id, COUNT(*) AS count FROM pictures WHERE id = (SELECT MAX(id) FROM pictures) GROUP BY id";
                dv = (DataView)picturesqlDataSource.Select(DataSourceSelectArguments.Empty);
                drv = dv[0];
            }
            catch
            { ScriptManager.RegisterStartupScript(this, this.GetType(), this.ToString(), @"<script language=""JavaScript"">window.alert('Error in inserting '); </script>", false); }
        }
        //Get Id
 
        int id = Convert.ToInt32(drv["id"]);
        return id;
    }
 
    protected void TypeDropDownList_DataBound(object sender, EventArgs e)
    {
        ListItem li = new ListItem("select a type", "0");
        ((DropDownList)sender).Items.Insert(0, li);
    }
    private string GetMyName()
    {
        // Get the script name
        string strScript = Request.ServerVariables["SCRIPT_NAME"];
 
        // Get position of last slash
        int nPos = strScript.LastIndexOf("/");
 
        // Get everything after slash
        if (nPos > -1)
            strScript = strScript.Substring(nPos + 1);
 
        return strScript;
    }
    protected void AddImageButton_Click1(object sender, ImageClickEventArgs e)
    {
        Action_status = event_status.fail;
        FileUpload PicUpload = (FileUpload)AddPictureMyForm.FindControl("FileUpload1");
        if (((DropDownList)AddPictureMyForm.FindControl("TypeDropDownList")).SelectedIndex == 0)
        { ScriptManager.RegisterStartupScript(this, this.GetType(), this.ToString(), @"<script language=""JavaScript"">window.alert('must choose a type'); </script>", false); return; }
 
        if (PicUpload.PostedFile == null) { ScriptManager.RegisterStartupScript(this, this.GetType(), this.ToString(), @"<script language=""JavaScript"">window.alert('Error'); </script>", false); return; }
 
        HttpPostedFile myFile = PicUpload.PostedFile; // Get a reference to PostedFile object
        int myFileLen = myFile.ContentLength;  // Get size of uploaded file
 
        if (myFileLen > 0)
        {
            byte[] myData = new byte[myFileLen]; // buffer to read
            myFile.InputStream.Read(myData, 0, myFileLen); //read uploaded file from stream
            string Filename = Path.GetFileName(myFile.FileName);
            WriteToFile(Server.MapPath(Filename), ref myData);
            int FileID = WriteToDB(Filename, ref myData);
 
            ((Image)AddPictureMyForm.FindControl("imgDB")).ImageUrl = GetMyName() + "?FileID=" + FileID.ToString();
            ((Image)AddPictureMyForm.FindControl("imgDB")).Visible = true;
        }
    }
    protected void filMyFile_onclick(object sender, ImageClickEventArgs e)
    {
        HtmlInputFile PicUpload = (HtmlInputFile)AddPictureMyForm.FindControl("MyFile");
        if (PicUpload.PostedFile != null)
        {
 
        }
        else
        { }
    }
}
 

can any body help me Please...

thanks :)

[Frinavale]

I'm not sure what MyForm is?
Upload controls (including the HTML input type=file control) will not work if you are using UpdatePanels in your forum (which I don't see in your code, but I'm not sure what MyForm is)...