Intersoft WebCombo Documentation
How-to: Use OnAddItem client side event to validate input
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Intersoft WebCombo > WebCombo Features Overview > Dynamically Add Item How-to Topics > How-to: Use OnAddItem client side event to validate input

Glossary Item Box

In WebCombo, you can use OnAddItem Client-side event to validate input. 

This topic will show you how to use OnAddItem client side event.

To validate input using OnAddItem Client-side event

  1. Right click the WebCombo instance and choose WebCombo.NET Designer.
  2. Set OnAddItem to "DoAdd" in Advanced Settings - LayoutSettings - ClientSideEvents.
  3. In HTML view, put the following function:

    JavaScript Copy ImageCopy Code
    function DoAdd(controlId) 
{       
    var combo = ISGetObject(controlId);
    if(combo.TextObj.value == "Brad")
    {
       return True;
    }
    else
    {
       return false;
    }
}

  4. Run the project.

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