PrimaryKeys Property

Overview

Gets the list of primary key column names.

Declaration

/// <summary>
/// Gets list of primary key column names (delegates to inner data table)
/// IObservableDataTable interface implementation
/// </summary>
public IReadOnlyList<string> PrimaryKeys
{
    get;
}

Namespace and Assembly

Namespace: PocoDataSet.ObservableData
Assembly: PocoDataSet.ObservableData.dll

Usage Example

// 1. Create observable dataset
IObservableDataSet observableDataSet = new ObservableDataSet();

// 2. Create Employee observable data table with composite primary key, which consists of "Code1" and "Code2" columns
IObservableDataTable employeeObservableDataTable = observableDataSet.AddNewTable("Employee");
employeeObservableDataTable.AddColumn("Code1", DataTypeNames.STRING, false, true);
employeeObservableDataTable.AddColumn("Code2", DataTypeNames.STRING, false, true);

// 3. Get list of primary key column names for Employee observable data table
// employeePrimaryKeys will contain both "Code1" and "Code2"
IReadOnlyList<string> employeePrimaryKeys = employeeObservableDataTable.PrimaryKeys;

 

Table of Content POCO DataSet API References ObservablePOCO DataSet Types ObservableDataTable Members

 

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Business Process Programming in .Net
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