BoundField.NullDisplayText Property
.NET Framework 3.0
Gets or sets the caption displayed for a field when the field's value is null.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
public: virtual property String^ NullDisplayText { String^ get (); void set (String^ value); }
/** @property */ public String get_NullDisplayText () /** @property */ public void set_NullDisplayText (String value)
public function get NullDisplayText () : String public function set NullDisplayText (value : String)
Not applicable.
Property Value
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. |
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