BoundField::ConvertEmptyStringToNull Property


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Gets or sets a value indicating whether empty string values ("") are automatically converted to null values when the data field is updated in the data source.

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

property bool ConvertEmptyStringToNull {
	virtual bool get();
	virtual void set(bool value);

Property Value

Type: System::Boolean

true to automatically convert empty string values to null values; otherwise, the false. The default is true.

Sometimes the user might enter an empty string for a field value when updating or inserting records. Use the ConvertEmptyStringToNull property to specify whether an empty string value is automatically converted to null when the data field is updated in the data source.


By default, a BoundField object displays null values as empty strings. To display a different value, set the NullDisplayText property.

The following code example demonstrates how to use the ConvertEmptyStringToNull property to specify that an empty string ("") field value should automatically be converted to null.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 2.0
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