Relations Property

Overview

Gets or sets the collection of relations describing parent / child relationships between tables in a data set.

Namespace and Assembly

Namespace: PocoDataSet.Data
Assembly: PocoDataSet.Data.dll

Declaration

/// <summary>
/// Gets or sets relations
/// IDataSet interface implementation
/// </summary>
public List<IDataRelation> Relations
{
    get; set;
}

Usage Example

// 1) Create an empty data set
IDataSet dataSet = DataSetFactory.CreateDataSet();

// 2) Create parent and child tables
IDataTable department = dataSet.AddNewTable("Department");
department.AddColumn("Id", DataTypeNames.INT32);
department.AddColumn("Name", DataTypeNames.STRING);

IDataTable employee = dataSet.AddNewTable("Employee");
employee.AddColumn("Id", DataTypeNames.INT32);
employee.AddColumn("DepartmentId", DataTypeNames.INT32);
employee.AddColumn("FirstName", DataTypeNames.STRING);

// 3) Add a relation and inspect relations collection
dataSet.AddRelation("Department_Employee", "Department", "Id", "Employee", "DepartmentId");

IList<IDataRelation> relations = dataSet.Relations;

 

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

 

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Business Process Programming in .Net
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