ReportParameterInfo.AllowBlank Property

Indicates whether an empty string is a valid value for the parameter. Read-only.

Namespace: Microsoft.Reporting.WebForms
Assembly: Microsoft.ReportViewer.WebForms (in microsoft.reportviewer.webforms.dll)

Syntax

'Declaration
Public ReadOnly Property AllowBlank As Boolean

'Usage
Dim instance As ReportParameterInfo
Dim value As Boolean

value = instance.AllowBlank

public bool AllowBlank { get; }

public:
property bool AllowBlank {
    bool get ();
}

/** @property */
public boolean get_AllowBlank ()

public function get AllowBlank () : boolean

A Boolean value.

The AllowBlank property is ignored if the value of the DataType property is not a string.