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Set variable to object already on aspx page

Posted on 2012-03-13
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Last Modified: 2012-03-13
Hello Experts,

I think this is an easy one.  I need to set a variable to an object already my aspx.  Here's my code it's called during the page_load event.

        private void LoadSearchComboBoxs(string ComboName)
        {
            ComboBox TheComboBox;
            TheComboBox = Page.Controls[ComboName];
}

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Thanks
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Comment
Question by:eshurak
7 Comments
 
LVL 41

Assisted Solution

by:Kyle Abrahams
Kyle Abrahams earned 800 total points
ID: 37717321
TheComboBox = Page.FindControl(ComboName.ClientID);
0
 
LVL 75

Accepted Solution

by:
käµfm³d   👽 earned 800 total points
ID: 37717333
Since you declared the reference TheComboBox to be of type ComboBox, you need to cast the thing returned by the indexing of the Controls collection (which returns "things" as type Control). In other words:

TheComboBox = (ComboBox)Page.Controls[ComboName];

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0
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 37717341
...ged325's solution would require the same, for the same reason  = )
0
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LVL 3

Author Comment

by:eshurak
ID: 37717667
Kaufmed - Thanks for your input.  I'm using:

            ComboBox TheComboBox;
            TheComboBox = (ComboBox)Page.Controls[ComboName];

But I'm getting the following errors

The best overloaded method match for 'System.Web.UI.ControlCollection.this[int]' has some invalid arguments      
Argument '1': cannot convert from 'string' to 'int'      

Is there a better way of doing declaring my object variable?
0
 
LVL 2

Assisted Solution

by:JAruchamy
JAruchamy earned 400 total points
ID: 37717731
Hi,

Try this,

ComboBox TheComboBox;
TheComboBox =  (ComboBox)Page.FindControl(ComboName);
0
 
LVL 3

Author Comment

by:eshurak
ID: 37717780
I'm trying to use TheComboBox = (ComboBox)Page.FindControl(ComboName);

but it's also not working might be because I'm using a content page.
0
 
LVL 3

Author Comment

by:eshurak
ID: 37717786
Got it:

TheComboBox = (ComboBox)this.Master.FindControl("ContentPlaceHolder1").FindControl(ComboName);
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