Beginner and trying to get the tag value of a treeview.selectednod

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I am trying to do this line of code:
txtBxMessageBod y.Text = ".\\ " + treeView1.Selec tedNode.Tag.ToS tring();

I am getting an error back. It is something pretty simple but I can't
figure it out.
The error is: System.NullRefe renceException: Object reference not set to an
instance of an object at myMethod

This is the only line of code in the method and when I only add a string to
the .Text value it runs fine.

Any ideas?

[=?Utf-8?B?cnViZW4=?=]

RE: Beginner and trying to get the tag value of a treeview.select ednod

either the tree view do not has a node selected (treeView1.Sele ctedNode ==
null)
or the tag property is not set (treeView1.Sele ctedNode.Tag == null)

"KCBTDev" wrote:

I am trying to do this line of code:
txtBxMessageBod y.Text = ".\\ " + treeView1.Selec tedNode.Tag.ToS tring();
>
I am getting an error back. It is something pretty simple but I can't
figure it out.
The error is: System.NullRefe renceException: Object reference not set to an
instance of an object at myMethod
>
This is the only line of code in the method and when I only add a string to
the .Text value it runs fine.
>
Any ideas?