ImageField.ConvertEmptyStringToNull Property
.NET Framework 3.0
Gets or sets a value indicating whether empty string ("") values are converted to a null reference (Nothing in Visual Basic) when the field values are returned from the data source.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
public: virtual property bool ConvertEmptyStringToNull { bool get (); void set (bool value); }
/** @property */ public boolean get_ConvertEmptyStringToNull () /** @property */ public void set_ConvertEmptyStringToNull (boolean value)
public function get ConvertEmptyStringToNull () : boolean public function set ConvertEmptyStringToNull (value : boolean)
Not applicable.
Property Value
true if Empty values should be converted to a null reference (Nothing in Visual Basic); otherwise, false. The default is true.Sometimes the user may 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 a null reference (Nothing in Visual Basic) when the data field is updated in the data source
Note: |
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| The ImageField class displays a null reference (Nothing in Visual Basic) as empty strings by default. To display a different value, set the NullDisplayText property. |
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