Tree view in C# asp.net

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Hi everyone,

Can anyone tell me how to check in treeview node is exist?

Posted 19-Dec-12 19:16pm

Updated 19-Dec-12 22:08pm

v5

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Orcun Iyigun 20-Dec-12 1:24am

It is throwing the exception because the value is null. Put a debugger and check the value where you get the exception..

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Menon Santosh · Answer 1 · 2012-12-19T22:30:00

simple use this code

SQL

if(treeView1.Nodes.ContainsKey("Item1")){

}

Posted 19-Dec-12 22:30pm

Comments

Sweetynewb 20-Dec-12 4:37am

I am using vs 2.0.-> web application.
there is no property-"containskey"
What to do?

Thomas Daniels 20-Dec-12 4:41am

ConainsKey isn't a property, but a function.

Menon Santosh 20-Dec-12 4:47am

go through this article

http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.treeview.findnode.aspx