/// <summary>
/// Converts an IEnumerable instance to a DataTable.
/// </summary>
/// <typeparam name="TEntity">Type that holds the set (the type parameter of the IEnumerable<>).</typeparam>
/// <typeparam name="TProjection">Type produced by the projector.</typeparam>
/// <param name="source">Dataset.</param>
/// <param name="projector">Projects a structure that defines the columns of the DataTable and how the data would be mapped into it (mapping expressions).</param>
/// <returns>A filled DataTable where its columns were inferred/discovered by the projection.</returns>
public static DataTable ToDataTable <TEntity, TProjection>(this IEnumerable <TEntity> source, Expression <Func <TEntity, TProjection> > projector)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (projector == null)
{
throw new ArgumentNullException(nameof(projector));
}
return(UmbrellaDataTable <TEntity> .Build(source, projector));
}
/// <summary>
/// Builds a DataTable based on a projection.
/// </summary>
/// <typeparam name="TEntity">Type that holds the set (the type parameter of an IEnumerable<>).</typeparam>
/// <param name="source">Dataset.</param>
/// <param name="projector">Projects a structure that defines the columns of the DataTable and how the data would be mapped into it (mapping expressions).</param>
/// <returns>A filled DataTable where its columns were inferred/discovered by the projection.</returns>
public static DataTable Build <TEntity>(IEnumerable <TEntity> source, Expression projector)
{
var umbrellaDataTable = new UmbrellaDataTable <TEntity>(source, (LambdaExpression)projector);
return(umbrellaDataTable.GetDataTable());
}