共用方式為


ReportParameter.AllowBlank Property

Definition

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

public:
 property bool AllowBlank { bool get(); void set(bool value); };
public bool AllowBlank { get; set; }
member this.AllowBlank : bool with get, set
Public Property AllowBlank As Boolean

Property Value

A Boolean value. A value of true indicates that an empty string is a valid value for the parameter.

Remarks

This value is ignored if the Type property of the ReportParameter is not a String.

Applies to