Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
　　If Page.IsPostBack Then
　　　　Return
　　End If

　　Dim mask As New FarPoint.Web.Spread.RegExpCellType()
　　mask.ValidationExpression = "¥d{0,5}¥.¥d{0,3}$|¥d{0,5}$"
　　FpSpread1.Sheets(0).Columns(0).CellType = mask
End Sub

protected void Page_Load(object sender, EventArgs e)
{
　　if (Page.IsPostBack)
　　{
　　　　return;
　　}

　　FarPoint.Web.Spread.RegExpCellType mask = new FarPoint.Web.Spread.RegExpCellType();
　　mask.ValidationExpression = "¥¥d{0,5}¥¥.¥¥d{0,3}$|¥¥d{0,5}$";
　　FpSpread1.Sheets[0].Columns[0].CellType = mask;
}