// This is where the appearance of most of the toolbar items are set
private void ReportViewer1_StatusChanged(object sender, EventArgs e)
{
ReportViewerStatus status = ReportViewer1.CurrentStatus;
this.SuspendLayout();
// Set page navigation items
if (status.CanNavigatePages)
{
ButtonFirstPage.Enabled = (ReportViewer1.CurrentPage > 1);
ButtonPrevPage.Enabled = (ReportViewer1.CurrentPage > 1);
TextBoxPageNum.Enabled = true;
TextBoxPageNum.Text = ReportViewer1.CurrentPage.ToString();
PageCountMode mode;
int total = ReportViewer1.GetTotalPages(out mode);
LabelTotalPages.Text = String.Format("of {0}{1}", total, (mode == PageCountMode.Estimate ? "?" : String.Empty));
ButtonNextPage.Enabled = (ReportViewer1.CurrentPage < total);
ButtonLastPage.Enabled = (ReportViewer1.CurrentPage < total);
}
else
{
ButtonFirstPage.Enabled = false;
ButtonPrevPage.Enabled = false;
TextBoxPageNum.Enabled = false;
TextBoxPageNum.Text = String.Empty;
ButtonNextPage.Enabled = false;
ButtonLastPage.Enabled = false;
}
// Set Back, Stop, and Refresh buttons
ButtonBack.Enabled = status.CanNavigateBack;
ButtonStop.Enabled = status.InCancelableOperation;
ButtonRefresh.Enabled = status.CanRefreshData;
// Set Print, Print Preview, Page Setup, and Export buttons
ButtonPrint.Enabled = status.CanPrint;
ButtonPreview.Enabled = status.CanChangeDisplayModes;
ButtonPreview.Checked = ReportViewer1.DisplayMode == DisplayMode.PrintLayout;
ButtonSetup.Enabled = status.CanNavigatePages;
DropDownExport.Enabled = status.CanExport;
// Set zoom and search items
DropDownZoom.Enabled = status.CanChangeZoom;
TextBoxFind.Enabled = status.CanSearch;
ButtonFind.Enabled = (status.CanSearch && TextBoxFind.Text.Length > 0) ? true : false;
ButtonNext.Enabled = status.CanContinueSearch;
this.ResumeLayout();
}
private void ButtonLastPage_Click(object sender, EventArgs e)
{
PageCountMode mode;
int total = ReportViewer1.GetTotalPages(out mode);
if (mode == PageCountMode.Estimate)
{
ReportViewer1.CurrentPage = ReportViewer.MaximumPageCount;
}
else
{
ReportViewer1.CurrentPage = total;
}
}
