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file upload and repeater

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  • M m dhu

    im using repeater control.had a edit button which redirect to another page(edit.aspx). in edit.aspx i had few textboxes,ddl's and fileupload controls for images.. using sessions im transferring data of employees from repeater page to edit.aspx page. similarly i want to transfer images of that particular employee.. tried using handler.ashx im gettin the last uploaded image(image control) for every employee... help me.... :confused: repeater page

    protected void Repeater1_ItemCommand1(object source, RepeaterCommandEventArgs e)
    {
    }
    if (e.CommandName == "edit")
    {
    // used session to transfer data
    // session["empname"]=dr["empname"]
    }

    edit.aspx

    Image1.ImageUrl = "handler3.ashx?staffID=" + ("staffID");
    TextBox5.Text = Session["headline"].ToString();

    C Offline
    C Offline
    Christian Graus
    wrote on last edited by
    #2

    madhukk wrote:

    using sessions im transferring data of employees from repeater page to edit.aspx page.

    Why not just pass it on the URL ?

    madhukk wrote:

    similarly i want to transfer images of that particular employee..

    Where do you store them ?

    madhukk wrote:

    Image1.ImageUrl = "handler3.ashx?staffID=" + ("staffID"); TextBox5.Text = Session["headline"].ToString();

    What are you writing this for ? Is it for your own study ? Will it ever be used by anyone ?

    Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

    M 1 Reply Last reply
    0
    • C Christian Graus

      madhukk wrote:

      using sessions im transferring data of employees from repeater page to edit.aspx page.

      Why not just pass it on the URL ?

      madhukk wrote:

      similarly i want to transfer images of that particular employee..

      Where do you store them ?

      madhukk wrote:

      Image1.ImageUrl = "handler3.ashx?staffID=" + ("staffID"); TextBox5.Text = Session["headline"].ToString();

      What are you writing this for ? Is it for your own study ? Will it ever be used by anyone ?

      Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

      M Offline
      M Offline
      m dhu
      wrote on last edited by
      #3

      im storing in sql server. this is used for my project...

      C 2 Replies Last reply
      0
      • M m dhu

        im storing in sql server. this is used for my project...

        C Offline
        C Offline
        Christian Graus
        wrote on last edited by
        #4

        OK, so you're writing it for yourself, or for someone to use ? Why not just pass the id of the image back to the main page then and load it from there ?

        Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

        1 Reply Last reply
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        • M m dhu

          im storing in sql server. this is used for my project...

          C Offline
          C Offline
          Christian Graus
          wrote on last edited by
          #5

          Do you not want to be helped anymore ?

          Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

          M 1 Reply Last reply
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          • C Christian Graus

            Do you not want to be helped anymore ?

            Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

            M Offline
            M Offline
            m dhu
            wrote on last edited by
            #6

            passed id to imageurl of image using session... now i got it thanks... and im trying to display thumbnail of the uploaded image. used temporary data table, its working but as i had many uploads its some complicated... any other method to display uploded image as thumbnail in image control... thanks

            C 1 Reply Last reply
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            • M m dhu

              passed id to imageurl of image using session... now i got it thanks... and im trying to display thumbnail of the uploaded image. used temporary data table, its working but as i had many uploads its some complicated... any other method to display uploded image as thumbnail in image control... thanks

              C Offline
              C Offline
              Christian Graus
              wrote on last edited by
              #7

              madhukk wrote:

              used temporary data table, its working but as i had many uploads its some complicated... any other method to display uploded image as thumbnail in image control...

              The image is associated with the user, right ? So, just write a http handler that takes the id of the image or the user on the query string, looks up the data and returns it. Make this the URL for your image.

              madhukk wrote:

              passed id to imageurl of image using session...

              I'm not sure why you're asking me for advice, as you appear to, in every step, doing the opposite of what I've suggested. Filling your session with all this data is going to affect performance.

              Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

              M 1 Reply Last reply
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              • C Christian Graus

                madhukk wrote:

                used temporary data table, its working but as i had many uploads its some complicated... any other method to display uploded image as thumbnail in image control...

                The image is associated with the user, right ? So, just write a http handler that takes the id of the image or the user on the query string, looks up the data and returns it. Make this the URL for your image.

                madhukk wrote:

                passed id to imageurl of image using session...

                I'm not sure why you're asking me for advice, as you appear to, in every step, doing the opposite of what I've suggested. Filling your session with all this data is going to affect performance.

                Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                M Offline
                M Offline
                m dhu
                wrote on last edited by
                #8

                can we display the thumbnail of image before inserting into database....

                C 1 Reply Last reply
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                • M m dhu

                  can we display the thumbnail of image before inserting into database....

                  C Offline
                  C Offline
                  Christian Graus
                  wrote on last edited by
                  #9

                  Why would you want to ? What is it that you're trying to do ? If you'd answer this question it might help me make a recommendation.

                  Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                  M 1 Reply Last reply
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                  • C Christian Graus

                    Why would you want to ? What is it that you're trying to do ? If you'd answer this question it might help me make a recommendation.

                    Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                    M Offline
                    M Offline
                    m dhu
                    wrote on last edited by
                    #10

                    i want to display the uploaded image once i browse through fileupload control.. but before it is saved in database to check the image uploaded correctly or not..

                    C 1 Reply Last reply
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                    • M m dhu

                      i want to display the uploaded image once i browse through fileupload control.. but before it is saved in database to check the image uploaded correctly or not..

                      C Offline
                      C Offline
                      Christian Graus
                      wrote on last edited by
                      #11

                      You can't do that, because until it exists somewhere on your system, you can't send it back to the client. To send it back as a byte stream requires a seperate page or HTTP handler. It's just not possible.

                      Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                      M 1 Reply Last reply
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                      • C Christian Graus

                        You can't do that, because until it exists somewhere on your system, you can't send it back to the client. To send it back as a byte stream requires a seperate page or HTTP handler. It's just not possible.

                        Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                        M Offline
                        M Offline
                        m dhu
                        wrote on last edited by
                        #12

                        using http handler im getting image to a page.. im unable to get all the three images... only 1st image is displayed...

                        //SqlCommand select stmt "select image1,image2,image3 from reviews11 where
                        // staffid=" + staffid
                        SqlDataReader dr = command.ExecuteReader();
                        dr.Read();

                                context.Response.BinaryWrite((Byte\[\])dr\[0\]);
                                cnn.Close();
                                context.Response.End();
                        

                        //another page
                        Image1.ImageUrl = "handler3.ashx?staffID=" +
                        Session["staffid"].ToString();

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