SSRS报告中的Pesky NULL复选框

Question

我在WinForms应用程序中使用ReportViewer控件。如何将“NULL”复选框文本更改为其他任何内容？ （正好在下面的图片“开始时间”）

alt text http://img269.imageshack.us/img269/1774/dropdowninssrspagerequi.png

Answer 1

下面是答案，它有点难看，但希望这会为您节省一些打字费用，如果您需要自己做。实现IReportViewerMessages接口，像这样：

public class CustomReportViewerMessages : IReportViewerMessages 
{ 
    public string NullCheckBoxText { get { return "All"; } } 
    public string NullCheckBoxToolTip { get { return "All"; } } 

    public string DocumentMapButtonToolTip { get { return "DocumentMapButtonToolTip"; } } 
    public string ParameterAreaButtonToolTip { get { return "ParameterAreaButtonToolTip"; } } 
    public string FirstPageButtonToolTip { get { return "FirstPageButtonToolTip"; } } 
    public string PreviousPageButtonToolTip { get { return "PreviousPageButtonToolTip"; } } 
    public string CurrentPageTextBoxToolTip { get { return "CurrentPageTextBoxToolTip"; } } 
    public string PageOf { get { return "PageOf"; } } 
    public string NextPageButtonToolTip { get { return "NextPageButtonToolTip"; } } 
    public string LastPageButtonToolTip { get { return "LastPageButtonToolTip"; } } 
    public string BackButtonToolTip { get { return "BackButtonToolTip"; } } 
    public string RefreshButtonToolTip { get { return "RefreshButtonToolTip"; } } 
    public string PrintButtonToolTip { get { return "PrintButtonToolTip"; } } 
    public string ExportButtonToolTip { get { return "ExportButtonToolTip"; } } 
    public string ZoomControlToolTip { get { return "ZoomControlToolTip"; } } 
    public string SearchTextBoxToolTip { get { return "SearchTextBoxToolTip"; } } 
    public string FindButtonToolTip { get { return "FindButtonToolTip"; } } 
    public string FindNextButtonToolTip { get { return "FindNextButtonToolTip"; } } 
    public string ZoomToPageWidth { get { return "ZoomToPageWidth"; } } 
    public string ZoomToWholePage { get { return "ZoomToWholePage"; } } 
    public string FindButtonText { get { return "FindButtonText"; } } 
    public string FindNextButtonText { get { return "FindNextButtonText"; } } 
    public string ViewReportButtonText { get { return "ViewReportButtonText"; } } 
    public string ProgressText { get { return "ProgressText"; } } 
    public string TextNotFound { get { return "TextNotFound"; } } 
    public string NoMoreMatches { get { return "NoMoreMatches"; } } 
    public string ChangeCredentialsText { get { return "ChangeCredentialsText"; } } 
    public string NullValueText { get { return "NullValueText"; } } 
    public string TrueValueText { get { return "TrueValueText"; } } 
    public string FalseValueText { get { return "FalseValueText"; } } 
    public string SelectAValue { get { return "SelectAValue"; } } 
    public string UserNamePrompt { get { return "UserNamePrompt"; } } 
    public string PasswordPrompt { get { return "PasswordPrompt"; } } 
    public string SelectAll { get { return "SelectAll"; } } 
    public string PrintLayoutButtonToolTip { get { return "PrintLayoutButtonToolTip"; } } 
    public string PageSetupButtonToolTip { get { return "PageSetupButtonToolTip"; } } 
    public string TotalPagesToolTip { get { return "TotalPagesToolTip"; } } 
    public string StopButtonToolTip { get { return "StopButtonToolTip"; } } 
    public string DocumentMapMenuItemText { get { return "DocumentMapMenuItemText"; } } 
    public string BackMenuItemText { get { return "BackMenuItemText"; } } 
    public string RefreshMenuItemText { get { return "RefreshMenuItemText"; } } 
    public string PrintMenuItemText { get { return "PrintMenuItemText"; } } 
    public string PrintLayoutMenuItemText { get { return "PrintLayoutMenuItemText"; } } 
    public string PageSetupMenuItemText { get { return "PageSetupMenuItemText"; } } 
    public string ExportMenuItemText { get { return "ExportMenuItemText"; } } 
    public string StopMenuItemText { get { return "StopMenuItemText"; } } 
    public string ZoomMenuItemText { get { return "ZoomMenuItemText"; } } 
    public string ViewReportButtonToolTip { get { return "ViewReportButtonToolTip"; } } 
} 

然后，你RefreshReport之前使用的是正确的类的实例：

   reportViewer.Messages = new CustomReportViewerMessages(); 
       reportViewer.RefreshReport(); 

这会做到这一点。注意我几乎把所有的属性都当作无意义的字符串，除了我关心的两个（顶部）。

Answer 2

编辑的报告，并取消选中“允许空值”复选框这些参数。您可以使用“允许空白值”，而不显示额外的复选框。