DataTable.ExtendedProperties Property

Definition

Gets the collection of customized user information.

C#
[System.ComponentModel.Browsable(false)]
public System.Data.PropertyCollection ExtendedProperties { get; }
C#
[System.ComponentModel.Browsable(false)]
[System.Data.DataSysDescription("ExtendedPropertiesDescr")]
public System.Data.PropertyCollection ExtendedProperties { get; }

Property Value

A PropertyCollection that contains custom user information.

Attributes

Examples

The following example adds a timestamp value to the DataTable through the ExtendedProperties property.

C#
private void GetAndSetExtendedProperties(DataTable myTable){
   // Add an item to the collection.
   myTable.ExtendedProperties.Add("TimeStamp", DateTime.Now);
   // Print the item.
   Console.WriteLine(myTable.ExtendedProperties["TimeStamp"]);
}

Remarks

Use the ExtendedProperties to add custom information to a DataTable. Add information with the Add method. Retrieve information with the Item method.

Extended properties must be of type String. Properties that are not of type String are not persisted when the DataTable is written as XML.

Applies to

Product Versions
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1

See also