public async Task <DataTable> GetViewDataAsync(PpsDataQuery arguments)
{
var dt = new DataTable();
using (var e = (await Task.Run(() => GetViewData(arguments))).GetEnumerator())
{
while (await Task.Run(new Func <bool>(e.MoveNext)))
{
if (dt.Columns.Count == 0)
{
for (var i = 0; i < e.Current.Columns.Count; i++)
{
var col = e.Current.Columns[i];
dt.Columns.Add(new DataColumn(col.Name, col.DataType));
}
}
var r = dt.NewRow();
for (var i = 0; i < dt.Columns.Count; i++)
{
r[i] = e.Current[i] ?? DBNull.Value;
}
dt.Rows.Add(r);
}
}
return(dt.Columns.Count == 0 ? null : dt);
} // func GetViewDataAsync
/// <summary>Request a list from the shell client.</summary> /// <param name="arguments"></param> /// <returns></returns> public abstract IEnumerable <IDataRow> GetViewData(PpsDataQuery arguments);
public override IEnumerable <IDataRow> GetViewData(PpsDataQuery arguments) => request.CreateViewDataReader(arguments.ToQuery());