Combo Box for ASP.NET Web Forms - How to get hidden column values on the client

This example demonstrates how to get values stored in a hidden column of the Combo Box control on the client.

The Combo Box control's server-side CustomJSProperties event allows you to declare temporary client properties. In the event handler, create a temporary property and set it to a list of values stored in a hidden column. Use this property on the client to get column values.

Note
In this example, the Combo Box control is bound to the Northwind sample database. Refer to the following topic for more information on how to load this database: Get the sample databases for ADO.NET code samples.

Files to Review

• Default.aspx (VB: Default.aspx)
• Default.aspx.cs (VB: Default.aspx.vb)

Documentation

• Multi-Column Mode
• Passing Values Between Client and Server Sides

More Examples

• Combo Box for ASP.NET Web Forms - How to add items on the client when the control is in multi-column mode
• Combo Box for ASP.NET Web Forms - How to Implement Cascading Combo Boxes

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