VB.NET
Private Sub MonthCalendar1_DateChanged(ByVal sender As Object, ByVal e As System.Windows.Forms.DateRangeEventArgs) Handles MonthCalendar1.DateChanged
'Display the dates for selected range
Label1.Text = "Dates Selected from :" & (MonthCalendar1.SelectionRange.Start() & " to " & MonthCalendar1.SelectionRange.End)
'To display single selected of date
'MonthCalendar1.MaxSelectionCount = 1
'To display single date use MonthCalendar1.SelectionRange.Start/ MonthCalendarSelectionRange.End
Label2.Text = "Date Selected :" & MonthCalendar1.SelectionRange.Start
End Sub
C#
private void MonthCalendar1_DateChanged(object sender, System.Windows.Forms.DateRangeEventArgs e)
{
//Display the dates for selected range
Label1.Text = "Dates Selected from :" + (MonthCalendar1.SelectionRange.Start() + " to " + MonthCalendar1.SelectionRange.End);
//To display single selected of date
//MonthCalendar1.MaxSelectionCount = 1;
//To display single selected of date use MonthCalendar1.SelectionRange.Start/ MonthCalendarSelectionRange.End
Label2.Text = "Date Selected :" + MonthCalendar1.SelectionRange.Start;
}
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We come across situation many a times where we need the name of the folder in which the file resides. Let's say the folder is as "C:\Project1\CSProj1\somename\file1.cs"
We need to get the folder "somename"
We can do this by using the namespace System.IO. Code goes as below
VB.NET
Dim file As FileInfo = New FileInfo("C:\Project1\VBProj1\somename\file1.vb")
Response.Write(file.Directory & "<br>") 'O/P -> C:\Project1\VBProj1\somename
Response.Write(file.Directory.Name) 'O/P -> somename
C#
FileInfo file = new FileInfo(@"C:\Project1\CSProj1\somename\file1.cs");
Response.Write(file.Directory + "<br>"); //O/P -> C:\Project1\CSProj1\somename
Response.Write(file.Directory.Name); //O/P -> somename
More about FileInfo members
VB.NET
Shared Function ExtractNumbers( ByVal expr As String ) As String
Return String.Join( Nothing, System.Text.RegularExpressions.Regex.Split( expr, "[^\d]" ) )
End Function
C#
static string ExtractNumbers( string expr )
{
return string.Join( null,System.Text.RegularExpressions.Regex.Split( expr, "[^\\d]" ) );
}
Call the function as follows
VB.NET
Response.Write ( ExtractNumbers( "12EFR77" ) )
C#
Response.Write ( ExtractNumbers( "12EFR77" ) );
To open pop-up window using <asp:dropdownlist..>
VB.NET
Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)
Response.Write("<script>window.open('" + DropDownList1.SelectedValue + "');</script>")
End Sub C#
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
Response.Write("<script>window.open('" + DropDownList1.SelectedValue + "');</script>");
}
To pop-up using client-side event
VB.NET
DropDownListID.Attributes("onchange") = "<open pop up here>"
C#
DropDownListID.Attributes("onchange") = "<open pop up here>";