vb.net

问题 Its quite simple, i just want to compare two dates using month and year, if the input date (mont and year only) are above or below that current date (month and year). The problem is , when i compare two strings Dim dDate as DateTime If Not (DateTime.TryParse(txtBox.Text, dDate)) Then MessageBox.Show("check date.") Else txtBox.Text = dDate.ToString("MM/yyyy") end If IF dDate.ToString("MM/yyyy") < DateTime.Now.ToString("MM/yyyy") MessageBox.Show("Below") ' Problem: 03/2024 saying is below than

问题 I have used Setup Project before with no issue the project did not have SQLite DB as a dependency I am now trying to make a EXE or msi file for a project that has SQLite included as System.Data.SQLite.Core and the project is a WinForms with a WPF TextBox with this code below Public Sub LoadTB() Dim tb As Windows.Controls.TextBox = New Windows.Controls.TextBox() ElementHost1.Child = tb tb.SpellCheck.IsEnabled = True AddHandler tb.TextChanged, AddressOf tb_TextChanged tb.TextWrapping = Windows

问题 I have used Setup Project before with no issue the project did not have SQLite DB as a dependency I am now trying to make a EXE or msi file for a project that has SQLite included as System.Data.SQLite.Core and the project is a WinForms with a WPF TextBox with this code below Public Sub LoadTB() Dim tb As Windows.Controls.TextBox = New Windows.Controls.TextBox() ElementHost1.Child = tb tb.SpellCheck.IsEnabled = True AddHandler tb.TextChanged, AddressOf tb_TextChanged tb.TextWrapping = Windows

问题 I have used Setup Project before with no issue the project did not have SQLite DB as a dependency I am now trying to make a EXE or msi file for a project that has SQLite included as System.Data.SQLite.Core and the project is a WinForms with a WPF TextBox with this code below Public Sub LoadTB() Dim tb As Windows.Controls.TextBox = New Windows.Controls.TextBox() ElementHost1.Child = tb tb.SpellCheck.IsEnabled = True AddHandler tb.TextChanged, AddressOf tb_TextChanged tb.TextWrapping = Windows

问题 Hello I used visual baisc 2010 and usb modem to sent at commands " ussd " by SerialPort "AT+CUSD=1" my problem when recive result get ucs-2 like this +CUSD: 0,"00430075007200720065006E007400540069006D0065002000690073003A002000320031002D004A0055004C002D0032003000310038002000310036003A00320036",72 how i can convert to utf-8 回答1: It looks like that string, because of its composition, is in BigEndianUnicode format. This encoding format is available from .Net FW 3.5+ / VS 2008. The .Net version in

问题 Hello I used visual baisc 2010 and usb modem to sent at commands " ussd " by SerialPort "AT+CUSD=1" my problem when recive result get ucs-2 like this +CUSD: 0,"00430075007200720065006E007400540069006D0065002000690073003A002000320031002D004A0055004C002D0032003000310038002000310036003A00320036",72 how i can convert to utf-8 回答1: It looks like that string, because of its composition, is in BigEndianUnicode format. This encoding format is available from .Net FW 3.5+ / VS 2008. The .Net version in

问题 I'm creating a Windows Console application in VB.NET, and I am unable to set the window position relative to the screen. In short, I want a function to centre the window to the screen. I have tried to use Console.SetWindowPosition(w, h) method and Console.WindowTop , Console.WindowLeft properties. When returning the values for WindowTop and WindowLeft , they both return 0, and if I attempt to change these values with Console.WindowLeft = n (n > 0), the program throws an OutOfBounds exception,

问题 In call the following URL in Javascript. var par = "Participant.aspx?ID=" + Id + "&NAME=" + Name+ "&FIRSTNAME=" + Firstname; Sometimes the Name or the Firstname contains an "ampersand" or an "plus" sign. For Example: Richard & Michael or Richard + Michael On the server side, I read the query string like this: Dim Name As String = Request.QueryString("NAME") Dim Firstname As String = Request.QueryString("FIRSTNAME") My problem is that if the query string contains a "plus" sign, then the sign

问题 Using the traditional DateTimePicker control in a winforms environment in a vb.net or c# application I need to change how the week is displayed from the normal Sunday through Saturday to Tuesday through Monday. I have scoured Google and Stack and found nothing on this. I have no issue with creating a custom control. I just don't know where to start. 回答1: You can use SendMessage to send a MCM_SETFIRSTDAYOFWEEK message to the MonthCalendar of the DateTimePicker (read the notes related to this

问题 Using the traditional DateTimePicker control in a winforms environment in a vb.net or c# application I need to change how the week is displayed from the normal Sunday through Saturday to Tuesday through Monday. I have scoured Google and Stack and found nothing on this. I have no issue with creating a custom control. I just don't know where to start. 回答1: You can use SendMessage to send a MCM_SETFIRSTDAYOFWEEK message to the MonthCalendar of the DateTimePicker (read the notes related to this