Occurs when the size of XLS / CSV file in reading / writing is above GemBox.Spreadsheet Free limit. (Free version only)

Namespace: GemBox.Spreadsheet
Assembly: GemBox.Spreadsheet (in GemBox.Spreadsheet.dll) Version: 35.0.30.1025

Syntax

C#
public event LimitEventHandler LimitReached
Visual Basic
Public Event LimitReached As LimitEventHandler

Remarks

This event is present only in Free version.

This event is fired when maximum row count per worksheet is reached (150 rows) or when more than 5 worksheets are used.

You can use this event to notify a user of your application that data is only partially read / written.

Examples

Following code demonstrates how to handle LimitNear and LimitReached events in GemBox.Spreadsheet Free. This sample disables warning worksheet in LimitNear event handler and displays console messages in LimitReached event handler.
CopyVB.NET
Sub Main()
    Dim ef As ExcelFile = New ExcelFile

    AddHandler ef.LimitNear, AddressOf ef_LimitNear
    AddHandler ef.LimitReached, AddressOf ef_LimitReached

    Dim ws As ExcelWorksheet = ef.Worksheets.Add("Sheet1")

    Dim i As Integer
    For i = 0 To 172 - 1 Step i + 1
        ws.Cells(i, 0).Value = i
    Next

    ef.SaveXls("Test.xls")
End Sub

Private Sub ef_LimitNear(ByVal sender As Object, ByVal e As LimitEventArgs)
    e.WriteWarningWorksheet = False
End Sub

Private Sub ef_LimitReached(ByVal sender As Object, ByVal e As LimitEventArgs)
    Select Case e.Operation
        Case IoOperation.XlsReading
            Console.WriteLine("Data truncated while reading XLS file: " + e.FileName)

        Case IoOperation.CsvReading
            Console.WriteLine("Data truncated while reading CSV file: " + e.FileName)

        Case IoOperation.XlsWriting
            Console.WriteLine("Data truncated while writing XLS file: " + e.FileName)
            e.WriteWarningWorksheet = False

        Case IoOperation.CsvWriting
            Console.WriteLine("Data truncated while writing CSV file: " + e.FileName)

    End Select
End Sub
CopyC#
static void Main(string[] args)
{
    ExcelFile ef = new ExcelFile();

    ef.LimitNear += new LimitEventHandler(ef_LimitNear);
    ef.LimitReached += new LimitEventHandler(ef_LimitReached);

    ExcelWorksheet ws = ef.Worksheets.Add("Sheet1");

    for(int i=0; i!=172; i++)
        ws.Cells[i, 0].Value = i;

    ef.SaveXls("Test.xls");
}

private static void ef_LimitNear(object sender, LimitEventArgs e)
{
    e.WriteWarningWorksheet = false;
}

private static void ef_LimitReached(object sender, LimitEventArgs e)
{
    switch(e.Operation)
    {
        case IoOperation.XlsReading:
            Console.WriteLine("Data truncated while reading XLS file: " + e.FileName);
            break;

        case IoOperation.CsvReading:
            Console.WriteLine("Data truncated while reading CSV file: " + e.FileName);
            break;

        case IoOperation.XlsWriting:
            Console.WriteLine("Data truncated while writing XLS file: " + e.FileName);
            e.WriteWarningWorksheet = false;
            break;

        case IoOperation.CsvWriting:
            Console.WriteLine("Data truncated while writing CSV file: " + e.FileName);
            break;
    }
}

See Also