private void ShowErrorMessage()
{
//Clear out the fact that the user did a search before this.
Keyword = "";
OldKeywords.Clear();
lblResultsForKeyword.Text = "";
lblTopResultsXofYKeyword.Text = "";
lblSearchWithinResultKeyword.Text = "";
phError.Visible = true;
ShowResultsXoYLabels(0, 0, 0);
//For paging change.
PreviousItemsPerPage = ItemsPerPage;
//Set the Search Within Results Radio button to new search
rblSWRSearchType.SelectedIndex = 0;
spPager.RecordCount = 0;
//// Web Analytics *************************************************
// Add number of search results to analytics
this.PageInstruction.SetWebAnalytics(WebAnalyticsOptions.eVars.evar10, wbField =>
{
wbField.Value = "0";
});
//// End Web Analytics *********************************************
}
private void DoSearchWithinResults()
{
if (Strings.Clean(txtSWRKeyword.Text) == null)
{
ShowErrorMessage();
}
else
{
if (rblSWRSearchType.SelectedValue == "2") //Search Within Results
{
//Add the last keyword to the old keywords
if (!String.IsNullOrEmpty(Keyword))
{
OldKeywords.Add(Keyword);
}
//Set the current keyword
Keyword = Strings.Clean(txtSWRKeyword.Text);
LogUserInput("Refine-Keyword:" + (
OldKeywordsForQuery.Length > 0 ? OldKeywordsForQuery + "|" + Keyword : Keyword));
}
else //New Search
{
//Log new search
OldKeywords.Clear();
Keyword = Strings.Clean(txtSWRKeyword.Text);
LogUserInput("New-Keyword:" + Keyword);
}
this.CurrentPage = 1;
txtSWRKeyword.Text = ""; //Clear the text box. .NET will leave in the text, which is what google does, but not what cancer.gov has done.
LoadResults();
}
}