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Treeview node ID

Posted on 2008-10-06
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Last Modified: 2013-12-17
I have a treeview with two levels.  The user clicks a check box that selects the name in the last node.  I move the text from this node into a text box.  Well, I also want to capture the id and put it into an array.  How do I do this?
foreach (DataRow dr in tissueLevel.Rows)
                    {
                        if (!treeView1.Nodes.ContainsKey(dr["tg_id"].ToString()))
                        {
                            treeView1.Nodes.Add(dr["tg_id"].ToString(), dr["name"].ToString());
                        }
                    }
                    foreach (DataRow dr in tissueLevel.Rows)
                    {
                        TreeNode[] nodes = treeView1.Nodes.Find(dr["tg_id"].ToString(), true);
                        if (nodes.Length > 0)
                        {
                            TreeNode node = nodes[0];
                            if (!node.Nodes.ContainsKey(dr["auto_id"].ToString()))
                            {
                                node.Nodes.Add(dr["auto_id"].ToString(), dr["label"].ToString());
                            }
                        }

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Question by:MichelleLacy
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4 Comments
 
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Accepted Solution

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Priest04 earned 500 total points
ID: 22652309
Yo could save ID into TextBox Tag property.

Goran
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Author Closing Comment

by:MichelleLacy
ID: 31503493
that is very logical and so obvious that I did not see it.  It helps to have another set of eyes.  Thanks so much!!!
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LVL 18

Expert Comment

by:Priest04
ID: 22652875
You are welcome.

Goran
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Author Comment

by:MichelleLacy
ID: 22653830
I figured out how to do it.  I tricky part was the diffference between the node text and the node name.  The text is what is displayed in the textbox, but the node name is the id that was after.  So to add to a list, it is simply  myList.Add(n2.Name.ToString())
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