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Timothy
40
UltraTree search problems
posted

Hello all,

I'm attempting to use a textBox to allow the user to "search" for a node (Report in our software). I've created a text changed event on the textBox so that when user types a letter it will search through the nodes looking for matching and only show those matches. 

What works:

user can type and get the results to narrow down

What doesn't:

If a user backspaces, these results aren't repopulating the matching strings. 

This is the same case if a user misspells an item. 

Something that I've done is if the user removes all text then I essentially rebuild the tree which is inefficiency. It seems that once I ExpandAll on a UltraTreeChildNode, there is no way to restore the original tree with out rebuilding it. 

private void searchQueriesTxtBox_TextChanged(object sender, EventArgs e)
        {
            string testString = searchQueriesTxtBox.Text.ToLower();
            TreeNodesCollection collection = utvDbQuery.Nodes;
            if (searchQueriesTxtBox.Text.Length == 0)
                DbQueryListBuild();
            if (searchQueriesTxtBox.Text.Length > 0)
            {
                foreach (UltraTreeNode childNode in utvDbQuery.Nodes)
                {
                    if (childNode.Text.ToLower().Contains(testString))
                    {
                        childNode.ExpandAll();
                    }
                    else
                    {
                        childNode.Visible = false;
                    }
                }
            }
        }
Parents
  • 12480
    Offline posted

    Hi Timothy,

    Thank you for sending your code. I am working now to incorporate it into a sample application in order to see whether I am able to reproduce the behavior you are describing.

    Please let me know if you have any questions for me.

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