private void LoadDataBtn_Click_1(object sender, EventArgs e)
{
DataProvider provider = new ExcelProvider();
data = provider.Load(sourceFilePath);
if (data != null)
{
ColumnChartBtn.Enabled = true;
LineChartBtn.Enabled = true;
CurveChartBtn.Enabled = true;
ChangeStyleBtn.Enabled = true;
AddChartBtn.Enabled = true;
PieChartbtn.Enabled = true;
AddRowDataBtn.Enabled = true;
AddColumnDataBtn.Enabled = true;
TransposeMatrixBtn.Enabled = true;
}
}
