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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesusing Find Control in DotNetNukeusing Find Control in DotNetNuke
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9/20/2011 12:01 PM
 
Chris Wozniak

Joined: 11/12/2009
Posts: 167
Hi,I have a table that is created in code behind that lists a bunch of data. I am trying to make it so I can export it to Excel, so I need to be able to find the control using Page.FindControl.The only problem is I cannot figure out how to get through all the controls it is nested in. Is there any way I can find every single control on the page, if they are nested or not, or some other way to get through all of the DNN controls and find my control on the page?Thanks for your helpChris
 
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9/20/2011 8:03 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

The DotNetNuke API provides the FindControlRecursiveDown method to do just that - it is located in the namespace DotNetNuke.Common.Globals:

In C# (DNN 6.x)

public static Control FindControlRecursiveDown(Control objParent, string strControlName) 

In VB (DNN 5.x)

Public Shared Function FindControlRecursiveDown(ByVal objParent As Control, ByVal strControlName As String) As Control

Note that since this can be an "expensive" operation, it is best not to use Page as the parent control but rather pass in a parent control as close as possible to the desired control in the nesting hierarchy.


Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
New Post
9/21/2011 11:55 AM
 
Chris Wozniak

Joined: 11/12/2009
Posts: 167
Hi William,Thanks for the information. I tried it out and it is grabbing a RadioButtonList as the control, instead of the table.One thing is that my table (the item I am trying to locate) is created in the code behind and the printed to the page with InnerHtml. So the table is set up like this stuff in here
Am I still able to use FindControlRecursiveDown as it is asking for the ControlName?I was going with: DotNetNuke.Common.Globals.FindControlRecursiveDown(Page, "MyTable")Chris
 
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4/18/2013 7:12 AM
 
Sunil Kumar


Joined: 10/18/2012
Posts: 410
Hi
I used the FindControlRecursiveDown() and able to grab the Radiobutton list which i created dynamically. Now when i am trying to get the selected value from the RBL using the SelectedValue property, i am unable to do that.
Is there any way or am i missing some thing?
Thanks,
Sunil Kumar [ DNN Developer, Mindfire Solutions,India ]
 
New Post
4/22/2013 2:27 AM
 
Sunil Kumar


Joined: 10/18/2012
Posts: 410
Just for information, using FindControlRecursiveDown(Page, "RBL") will not return the accurate instance of radio button list. Use this instead of Page for accuracy.
Thanks,
Sunil Kumar [ DNN Developer, Mindfire Solutions,India ]
 
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