Selecting a value and clicking the button, doing postback, I want to capture the value selected in the ddl. I was using "FindControl method" but it is not working, I guess because the controls are created dynamically and will not show due to stateless HTTP.
I have a dropdown on page, a place holder and a save button on my form.Now, I am creating a textbox on selectedIndexChanged event of dropdown list and adding it to placeholder. And on button click I want to access the control, but on click event, I find the textbox as null. Here is my code
I am adding controls dynamically to PlaceHolder which within ContentPlaceHolder
var t = (ContentPlaceHolder)Master.FindControl("ContentPlaceHolder1"); var t1 = (PlaceHolder)mpContentPlaceHolder.FindControl("PlaceHolderName"); var t2 = (DropDownList)t1.FindControl("ControlID");
It looks like I am missing something because t2 is always null
Im binding an image to a repeater and giving the image id a unquie value based on the id from the database. The problem im having is trying to find the control within the repeater as i dont know the exact id of the control as its generated at runtime.
What im trying to do is count how many items are bound then after the first one assign a new css class to the rest.
How am i able to find the controls id on itemDataBound ?
My code was actually working before. I think since I switched to .NET 4, it may have stopped functioning.What I do is this: I add some TextBox controls inside a PlaceHolder control. Then when user clicks the submit button, I am reading values entered into these texboxes.
This is what's on the page:
[Code].... This is how I add controls into my PlaceHolder:
[Code]....
And this is the button click event: [Code]....
Like I said, this code was working before but now it doesn't.
This works fine without using a masterpage. What is the masterpage messing up here. Basically creating all dynamic controls. Linkbutton>tablecell>tablerow>table>panel>placeholder. The linkbutton id is not being set when building. The link button id is registered fine when not using the masterpage. Also using ajax.
I have a placeholder to which I programmatically add DataGrids... In the DataGrids, I programmatically add TextBoxes along with dynamic validations. Somehow, the DataGrids show up, but the dynamic validations don't work. If I set them to static, the blank space for them appears, but still, they wont work.
I'm a new in ASP and I have this problem. I do some small websurwey. Random questions per page, random count of questions, 4 types of questions (answears 1 .. 10, Text answears, ... atc.) I created webuserscontrol for each type of questions and these controls I dynamicly add to place holder in some page. There is everything OK, but when I click button on the bottom of the page, I need save the results from client, I need to know which radiobutton is selected and save it to DB and make some operation, and then, after saving, this page is reloaded and show next
Questions. This questions and settings I have in DB. My problem is, how to read data from my UserControls after button click (button on page, not on my controls)? Controls in placeholder are NULL in PostBack and after postback there are new controls. I endclose a small code which is "like" my original code, it is testcode to explaine to you.
I am trying to create dynmaic file upload control as many as i required....when i am trying To read files in it then it is getting failed I did as follows in declaration section Dim TxtboxImageF As New FileUpload creating controls in following way in loop as per my requirement and adding it in dynamic table and finally after ending loop adding table in placeholder.
TxtboxImageF = New FileUpload TxtboxImageF.ID = CreateControlid("DOC", increamentvariable) CellDocumentFrame.Controls.Add(TxtboxImageF) RowDocumentFrame.Cells.Add(CellDocumentFrame) TblDocumentFrame.Rows.Add(RowDocumentFrame) after ending loop addin table in placeholder PHobservations.Controls.Add(TblDocumentFrame) Private Function CreateControlid(ByVal ctltype As String, ByVal docid As Integer) As
Need accessing the rendered content of a PLACEHOLDER control. I dynamically add a web forms page to a placeholder using "TABLE" this works great (cell row table placeholder ) now I wish to take that placeholder and use the rendered page to generate a PDF document.
If it possible to access the rendered code how would this be done?
I am having problems finding my UserControls inside the Controls collection of a Placeholder control.
I have a ListView control with a PlaceHolder control in its ItemTemplate. OnItemdataBound for the ListView control I am adding a custom UserControl to the Controls collection of the Placeholder control. It all renders fine. My problem is when I try to find my user controls in the Placeholder. I just can't get it back. My code is below.
My objective here is to get to the input controls within my UserControl and call the save method of this.
I am using list view to display the the data but i am getting an error like An item placeholder must be specified on ListView 'ListView1'. Specify an item placeholder by setting a control's ID property to "itemPlaceholder". The item placeholder control must also specify runat="server.Even i have specified the itemplaceholder id but no use still same error.
how to maintain state of placeholder. i have a placeholder in which i add many image controls dynamically but when my page get refresh all controls from placeholder gets removed from it. the enableViewstate of placeholder is set to true.
I have a web form with an Asp.net PlaceHolder control. By default the control is set to visible false and will be displayed through the code behind based on several criteria. In general this PlaceHolder control wraps several other Asp.net controls. Now a new requirement ask that the controls within the PlaceHolder control be visible at all times an no longer hidden. So in the Aspx code I changed the laceHolder attribute and set it to visible. Now all kinds of Java Script validation errors are occuring and it is a horrible spahgetti code nightmare. Is their a way to set the visible attribute on the control and not have it trigger the validation?
I have a Placeholder control on Employee Main Menu. Several SQL Data sources are run at page load in order to notify employees that something is due. Each "something is due" message is loaded into a unique label. Therefore the Placeholder could have several labels in them. For clarity's sake I'd like them separated by line breaks. However I understand from reading a previous forum item that "< /br>" are ignored. How can I embed a line break when PlaceHolder_Msg.Controls.Count > 1