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ListView.ConvertEmptyStringToNull Property

Gets or sets a value that indicates whether empty string values ("") are automatically converted to null values when the data field is updated in the data source.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public virtual bool ConvertEmptyStringToNull { get; set; }
<asp:ListView ConvertEmptyStringToNull="True|False" />

Property Value

Type: System.Boolean
true if empty string values are automatically converted to null values; otherwise, false. The default is true.

The Parameter object of the data source control that the ListView control is bound to also has a property named Parameter.ConvertEmptyStringToNull. This property performs the same function. Make sure that both properties are set appropriately.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5

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