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ControlBuilder.AppendSubBuilder Method

Adds builders to the ControlBuilder object for any child controls that belong to the container control.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)

public virtual void AppendSubBuilder(
	ControlBuilder subBuilder
)

Parameters

subBuilder
Type: System.Web.UI.ControlBuilder

The ControlBuilder object assigned to the child control.

The following example overrides the AppendSubBuilder method to throw an Exception if the control this control builder is applied to tries to include controls in its instance of ControlCollection class.

        // Override the AppendSubBuilder method to throw an 
        // exception if the class it is applied to attempts 
        // to include child controls.  
		public override void AppendSubBuilder(ControlBuilder subBuilder)
		{
			throw new Exception(
				"A custom label control cannot contain other objects.");
		}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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