I have created a web user control I want to change the iframe' src value when the user click on the link but the problem is that I dont have access to iframe inside the page from web user control I think there is a way because my control is in the page they have some relation perhaps I like to find something like this :
how i can find a DataList which is inside the DataList control? Its giving the Error Object not set to an Instance. i am finding the control this way :
I have a literal8 inside panel1 and panel1 inside datalist1 ..
i wanna insert the value in literal1 on page load event using query string ...
ERROR on Page Load : Object reference is not set to the instance of an object
how to make this code workin ?
Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreInit Dim lit8 As Literal = DirectCast(DataList1.FindControl("Literal8"), Literal) lit8.Text = Me.Request.QueryString("room") End Sub
I have a asp.net webpage which is using an Master page and contentplaceholder.
My Req: I want to access the control name through javascript.I have tried to use 'document.forms[0].elements[i].name' but its giving an error since my page there is no form.Only master page and contentplaceholder.
AM having a datalist with fields repeating based on some conditions say some textbox to enter Name ,DOB,Occupation,cell no,etc..and we have a button "Accompanying Person" .When this clicked i have to show same controls and enter details of accompanying persons like name,cell no etc...
SO same controls i have to show multiple times...but based on member /accompanying person i am hiding id field..but required field validator showing when the id is hidden..since this id is inside datalist and id textbox will be different how to hide this required field validator
I want to raise an checkbox check-changed event but its not firing :( . It Dosent raise even an command event.
My Requirement :
My Requirement is that i have a Datalist with header checkbox in headertemplate and a child checkbox in itemtemplate and a gridview control. Checking and unchecking will update the gridview control.
accessing a control inside the nested controls. Here is what i want to do. I click on the "add me" link inside the repeater and the ModalPopupExtende pops up with a textbox and the update linkbutton. I type something in the textbox and I click on the linkbutton update notes. My question is how do response.write the text i entered in the textbox?
I am using an event calendar control (not a MS control) and I am trying to access a LinkButton inside this control's HeaderTemplate. Below is what I have tried so far. I get the familiar "Object reference not set to an instance of an object" error. Does anyone has an alternate way to get this control? I need to change the visibility property of it.
I am using a form view control which has two binded textbox. Now at this level it works fine and the textboxes show the values from database. But when i insert a panel inside the form view and move these two textboxes inside the panel, they dont show any values. What could be the reason for this?
I have a LoginView control that contains a PasswordRecovery control. Upon page_load I don't want this to be visible. When the user clicks a hyperlink button ("forgot password?" type of button), then it'll be made visible.
But I'm having a hard time making the password recovery control invisible at runtime. Here is my page_load function:
[Code]....
It is the only password recovery control in the LoginView control, so I don't understand why this isn't working. The password recovery control is still visible when the page loads in my browser.
I have a User Control with a multiple number of link buttons.
What I want to achieve is to change the Background colour of one of the link button control in the page load event of one of the pages. I am finding it difficult to access the link button in user control .
I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page and on this page I have another user control (ucPageControl), I need to find a way of setting the value in ucControl2 from ucPageControl. Is this possible at all?