Intersoft WebGrid Documentation
Walkthrough: Using ExpandChildRow to expand child tables
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Glossary Item Box

This walkthrough shows you how to Expand Child table.

During this walkthrough, you will learn how to do the following :

 Prerequisites

In order to complete this walkthrough, you will need the following:

  • Access to the Microsoft Access Northwind database.
  • Visual Studio 2005/2008/2010 Application.

 Step-By-Step Instructions

  1. Bind WebGrid to Hierarchical ISDataSource.
  2. In the InitializeRow event of the grid, expand the child rows.

    C# Copy Code 
    using ISNet.WebUI.WebGrid;

private void WebGrid1_InitializeRow(object sender, ISNet.WebUI.WebGrid.RowEventArgs e)
{   
   // Only expands Customers' child table   
   if(e.Row.Type == RowType.Record && e.Row.Table.Name == "Customers")   
   {    
      e.Row.ExpandChildRow();   
   }
}

  3. Finally, the WebForm will look like the following snapshot:

     

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