/// <summary>
/// Build a new Google.DataTable.Net.Wrapper.DataTable()
/// </summary>
/// <returns></returns>
public DataTable Build()
{
try
{
if (_dataTable.Columns.Any())
{
//user has configured columns
foreach (var r in _source)
{
var row = _dataTable.AddRow(_dataTable.NewRow());
row.AddCellRange(_colFunc.Select(c => c(r)).ToArray());
}
}
else
{
/*
* No columns configured. For the time being this is a handy
* way of transforming the object into a DataTable, by
* reusing the already available code.
* */
//TODO: Test with large amount of data.
System.Data.DataTable dt = ToDataTable(_source.ToList());
_dataTable = SystemDataTableConverter.Convert(dt);
}
return(_dataTable);
}
finally
{
_dataTable = null;
_source = null;
_colFunc = null;
}
}
/// <summary>
/// Converts a System.Data.DataTable into a Google.DataTable.Net.Wrapper.DataTable
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static DataTable ToGoogleDataTable(this System.Data.DataTable source)
{
if (source == null)
{
return(null);
}
return(SystemDataTableConverter.Convert(source));
}
public void ConverterReturnsColumns()
{
using (var sysDt = new System.Data.DataTable())
{
sysDt.Columns.Add("firstcolumn", typeof(string));
sysDt.Columns.Add("secondcolumn", typeof(int));
sysDt.Columns.Add("thirdcolumn", typeof(decimal));
sysDt.Locale = CultureInfo.InvariantCulture;
var dataTable = SystemDataTableConverter.Convert(sysDt);
Assert.That(dataTable != null);
Assert.That(dataTable.Columns.Count() == 3);
Assert.That(dataTable.Columns.ElementAt(0).ColumnType == ColumnType.String);
Assert.That(dataTable.Columns.ElementAt(1).ColumnType == ColumnType.Number);
Assert.That(dataTable.Columns.ElementAt(2).ColumnType == ColumnType.Number);
}
}
public void ConverterReturnsColumnsAndRows()
{
using (var sysDt = new System.Data.DataTable())
{
sysDt.Columns.Add("firstcolumn", typeof(string));
sysDt.Columns.Add("secondcolumn", typeof(int));
sysDt.Columns.Add("thirdcolumn", typeof(decimal));
sysDt.Locale = CultureInfo.InvariantCulture;
var row1 = sysDt.NewRow();
row1[0] = "Ciao";
row1[1] = 10;
row1[2] = 2.2;
sysDt.Rows.Add(row1);
var dataTable = SystemDataTableConverter.Convert(sysDt);
Assert.That(dataTable != null);
Assert.That(dataTable.Rows.Count() == 1);
Assert.That((string)dataTable.Rows.ElementAt(0).Cells.ElementAt(0).Value == "Ciao");
Assert.That((int)dataTable.Rows.ElementAt(0).Cells.ElementAt(1).Value == 10);
Assert.That((decimal)dataTable.Rows.ElementAt(0).Cells.ElementAt(2).Value == 2.2m);
}
}
public void ConverterThrowsErrorIfDataTableParameterIsNull()
{
SystemDataTableConverter.Convert(null);
}
//[ExpectedException(typeof(ArgumentNullException))]
public void ConverterThrowsErrorIfDataTableParameterIsNull()
{
Assert.Throws <ArgumentNullException>(() => SystemDataTableConverter.Convert(null));
}
public static string getChartDataValues(string procedure, int brief, string startDate, string endDate, string[] filters)
{
var dt = (new Report()).sp_ExecuteProcedure(procedure, brief, startDate, endDate, filters);
return(SystemDataTableConverter.Convert(dt).GetJson());
}
