need date format in "dd/mm/yyyy hh:mm" [modified] - ASP.NET Discussion Boards

Multiple Dynamic Control Postback Issue [modified]

smilingeyes7618-Feb-10 4:26

18-Feb-10 4:26

Good morning,

I've searched the web for a week to find a solution to a problem, but I can't figure it out, so now I'll try to post directly what the problem is and hope that someone could explain me how to go ahead. I'm new to Asp.Net, and some years have passed since I used to programme in C/C++.

I have an aspx page with two "Controller" textboxes.
If you insert a number X in TB1, on the OnTextChanged event, a Placeholder is populated with X TextBoxes (the number you entered).
If you insert a number H in TB2, on the OnTextChanged event, a Placeholder2 is populated with H TextBoxes (the number you entered).

The problem is that each time you enter a number you have a postback, hence after the first time, you loose all the data and the TextBox Controls in the PlaceHolder already populated. I cannot use Ajax UPdatePanel, so I know I should save the user data with the viewstate or Session, but i don't have idea of how to recall them to repopulate the PlaceHolder after Postback.

Here is my code ~~C++~~C#(I tried to leave just the interesting parts).

<table>
    <tr><td valign="middle"></td>
             <td><asp:TextBox ID="cldtb" runat="server" OnTextChanged="cldtb_OnTextChanged" AutoPostBack="true"></asp:TextBox></td>
        <td valign="middle"><asp:Panel id="pnlEnterNumbers" runat="server">
           <asp:PlaceHolder id="myPlaceHolder" runat="server" /></asp:Panel> </td> </tr>

</table>

  protected void cldtb_OnTextChanged(object sender, System.EventArgs e)
  {
      int I, intNumberCount;

          // Get number of items to be entered.
          intNumberCount = System.Convert.ToInt16(cldtb.Text);

          if (intNumberCount > 0)
          {
              //Add one textbox to enter each item.
              System.Web.UI.WebControls.TextBox txtNumber;
              for (I = 1; I <= intNumberCount; I++)
              {
                  txtNumber = new System.Web.UI.WebControls.TextBox();
                  txtNumber.ID = "birthdate" + I;
                  txtNumber.MaxLength = 8;
                  myPlaceHolder.Controls.Add(txtNumber);

              }

              // Add number of items to viewstate
              ViewState["NumberCount"] = (I - 1);
              //Session["holdMe"] = myPlaceHolder;
          }
}

modified on Monday, February 22, 2010 5:52 AM

Re: Multiple Dynamic Control Postback Issue

Not Active18-Feb-10 7:07

Not Active

18-Feb-10 7:07

smilingeyes76 wrote:
Here is my code C++

This is C#, not C++. You don't even know what language you are using OMG | :OMG:

smilingeyes76 wrote:
(I tried to leave just the interesting parts).

Still way to much, but it does show that you have no idea what you are doing.

Why are you creating the controls dynamically in the first place?

smilingeyes76 wrote:
I've searched the web for a week

Try searching for the proper way to create custom controls and supporting postback

I know the language. I've read a book. - _Madmatt

Re: Multiple Dynamic Control Postback Issue

smilingeyes7620-Feb-10 7:13

smilingeyes76

20-Feb-10 7:13

Thank you Mark.

Yes, I made a mistake in writing, I know it is C#.
I need dynamic controls because their number depends on the value of a static control.
I solved my problem with javascript.

I'm studying tutorials, and I'm learning step by step while practicing, also thanks to experts like you, that explain newbies how to proceed...

Using textbox with AJAX toolkit autocomplete control

Danpeking18-Feb-10 3:31

Danpeking

18-Feb-10 3:31

Hi, I have hooked up a textbox to an autocomplete extender control and it seems to work fine with me restricting what is displayed as the user types via a web method in the code behind. I am using the CreateAutoCompleteItem key value pairs method. I have also created an OnClientItemSelected event which can update the value of a hidden field.

The problem I have is when the user might want to retrieve a record and I want the textbox to display the correct value when the page loads. If possible making my textbox have key value pairs, etc.

Can anybody please suggest a way?
Thanks

checkboxs problem

test-0918-Feb-10 1:36

test-09

18-Feb-10 1:36

this is code i wrote to check check boxes in datalist control
but if i checked all checkboxes only it is returning true not for one or multiple checkboxes
help me... Confused | :confused:

foreach (DataListItem dli in DataList1.Items)
        {
            CheckBox Chk = (CheckBox)dli.FindControl("CheckBox1");
            if (Chk.Checked)
            {
                str13 = "cheked";
            }
            else
            {
                str13 = "you need to check";
            }
        }
        LblErr.Visible = true;
        LblErr.Text = str13;

Re: checkboxs problem

Anurag Gandhi18-Feb-10 2:29

Anurag Gandhi

18-Feb-10 2:29

If you are talking about the value of LblErr.Text, it will always be according to the checked state of your last item in DataList1.
I am sure you can easily guess why is it so.

If you want your str13 to have "cheked" for one or multiple checkbox checked, just add a break statement just after the statement str13 = "cheked";

foreach (DataListItem dli in DataList1.Items)        
{
        CheckBox Chk = (CheckBox)dli.FindControl("CheckBox1");
        if (Chk.Checked)
        {
            str13 = "cheked";
            break;
        }
        else
        {
            str13 = "you need to check";
        }
}
LblErr.Visible = true;
LblErr.Text = str13;

This should solve your problem.

Anurag Gandhi.
http://www.gandhisoft.com
Life is a computer program and every one is the programmer of his own life.

Re: checkboxs problem

test-0918-Feb-10 17:29

test-09

18-Feb-10 17:29

thank you bro.. Rose | [Rose]

need date format in "dd/mm/yyyy hh:mm" [modified]

Karan_TN18-Feb-10 1:16

Karan_TN

18-Feb-10 1:16

hi.
currently i m using asp.net 2.0...
i need the date format in gridview as "dd/mm/yyyy hh:mm"
Note : i dont need seconds. time should be in 24hours format
help me plz

modified on Thursday, February 18, 2010 7:27 AM

Re: need date format in "dd/mm/yyyy hh:mm"

sashidhar18-Feb-10 1:31

sashidhar

18-Feb-10 1:31

AFAIK there is no support for tht format so ,
convert the date time format into string and do string manipulation..!

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Re: need date format in "dd/mm/yyyy hh:mm"

Karan_TN18-Feb-10 1:35

Karan_TN

18-Feb-10 1:35

oh..

want to inform to MICROSOFT?
anyway, thanks for reply pal.

Re: need date format in "dd/mm/yyyy hh:mm"

farogh haider18-Feb-10 1:49

farogh haider

18-Feb-10 1:49

hi,
Use DataFormatString property in gridview

Farogh Haider
Web developer

Re: need date format in "dd/mm/yyyy hh:mm"

Karan_TN18-Feb-10 2:37

Karan_TN

18-Feb-10 2:37

i have applied all types of DataFormatString property in gridview. but i cant get what i expect. help me plz

Re: need date format in "dd/mm/yyyy hh:mm"

The Man from U.N.C.L.E.18-Feb-10 8:33

The Man from U.N.C.L.E.

18-Feb-10 8:33

Your format should be dd/MM/yyyy HH:mm

Check out MSDN[^] for more details on the format strings available.

If you have knowledge, let others light their candles at it.
Margaret Fuller (1810 - 1850)
[My Articles] [My Website]

View Word Document Problem While Publishing IIS

JC.KaNNaN18-Feb-10 1:14

JC.KaNNaN

18-Feb-10 1:14

HI,

First I am receiving following error:
Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80040154.

now resolve it n server..
i want to view document from some server location.

1) The below code is view document from some location.its properly working in local system.
if i am going to publish this code in IIS, nothing can view document..

Dim WordApp As New Word.ApplicationClass()
Dim missing As Object = System.Reflection.Missing.Value
Dim fileName As Object = "\\XXX.XXX.X.X\d\TEST.DOC"
Dim newTemplate As Object = False
Dim docType As Object = 0
Dim isVisible As Object = True
Dim aDoc As Word.Document = WordApp.Documents.Add(fileName, newTemplate, docType, isVisible)
WordApp.Visible = True

2) The below code is converting pdf from ms word doument. this also didnt working while im phblishing code in IIS

Dim filesource As Object ="\\XXX.XXX.X.X\d\test.doc"
Dim app As New Word.Application
Dim missingValue As Object = Type.Missing
Dim ac As New Word.Application()
Dim myTrue As Object = True
Dim myFalse As Object = False
Dim document As New Word.Document
app = ac.Application
app.DisplayAlerts = Word.WdAlertLevel.wdAlertsMessageBox
document = app.Documents.Open(filesource, myTrue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue)
app.ActivePrinter = "PDF995"
'app.ActivePrinter = "PrimoPDF"
app.ActiveDocument.PrintOut(myFalse, myFalse, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, myFalse, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue, missingValue)
document.Close(missingValue, missingValue, missingValue)
app.Quit(missingValue, missingValue, missingValue)
aDoc.Activate()

Please Give Solution,

Yours,
KaNNaN

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Re: View Word Document Problem While Publishing IIS

Ashfield18-Feb-10 3:18

Ashfield

18-Feb-10 3:18

It looks like you do not have Word (or the correct version of it) installed on your server.

Bob
Ashfield Consultants Ltd

Message Removed

18-Feb-10 0:52

FEMDEV

18-Feb-10 0:52

Message Removed