BoundField::NullDisplayText Property
Gets or sets the caption displayed for a field when the field's value is null.
Assembly: System.Web (in System.Web.dll)
public: property String^ NullDisplayText { virtual String^ get(); virtual void set(String^ value); }
Property Value
Type: System::String^The caption displayed for a field when the field's value is null. The default is an empty string (""), which indicates that this property is not set.
Sometimes a field's value is stored as null in the data source. You can specify a custom caption to display for fields that have a null value by setting the NullDisplayText property. If this property is not set, null field values are displayed as empty strings (""). When a record is being updated or inserted in a data-bound control, if the user enters the value specified by this property (other than an empty string) for a field in a data-bound control, that value is automatically converted to null in the data source.
Note |
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To convert an empty string field value to a null value, set the ConvertEmptyStringToNull property to true. |
Available since 2.0
