FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > DefaultSheetDataModel Class : DataSource Property |
'Declaration Public Property DataSource As Object
'Usage Dim instance As DefaultSheetDataModel Dim value As Object instance.DataSource = value value = instance.DataSource
public object DataSource {get; set;}
Exception | Description |
---|---|
System.ArgumentException | Data source is empty |
DataSet ds = new DataSet(); DataTable emp = new DataTable("Employees"); DataTable div = new DataTable("Division"); emp.Columns.Add("LastName"); emp.Columns.Add("FirstName"); emp.Rows.Add(new Object[] {"Jones", "Marianne"}); emp.Rows.Add(new Object[] {"Fieldes", "Anna"}); div.Columns.Add("Section"); div.Columns.Add("Specialty"); div.Rows.Add(new Object[] {"Finance", "Taxes"}); div.Rows.Add(new Object[] {"Mergers", "Legal"}); ds.Tables.AddRange(new DataTable[] {emp, div}); new FarPoint.Win.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Win.Spread.Model.DefaultSheetDataModel(); dataModel.DataSource = ds; dataModel.DataMember = "Employees"; dataModel.AddUnboundRows(1, 3); fpSpread1.ActiveSheet.Models.Data = dataModel; dataModel.AddRowToDataSource(1, true); dataModel.SetValue(1, 0, "Kingsley"); dataModel.SetValue(1, 1, "Mark");
Dim ex As FarPoint.CalcEngine.Expression Dim dataModel As New FarPoint.Win.Spread.Model.DefaultSheetDataModel(10, 10) dataModel.AddCustomName("TWICESUM", New FarPoint.CalcEngine.DoubleExpression(10)) dataModel.SetFormula(1, 1, "TWICESUM") FpSpread1.ActiveSheet.Models.Data = dataModel ex = dataModel.GetExpression(1, 1) dataModel.EvaluateExpression(1, 1, ex) MessageBox.Show("The expression is " & ex.ToString())
Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10