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Error trapping while reading windows XP registry entries 17 Years Ago by JohnJohnUSA …=1249756&page=1#"]Registry[/URL] Entries (No error trapping).py", line 5, in -toplevel- Name, Data, Type = win32api… Problem in trapping in TIC TAC TOE 15 Years Ago by makubexiii I'm almost finished with this but got stuck in trapping it when 1)there is a winner 2) a player … Insert statement not trapping Username 14 Years Ago by kegathor … the site to a new server and unfortunately its not trapping the username for me. [CODE] strSQL="INSERT INTO TBLCART… Error Trapping 14 Years Ago by BuhRock Can someone help me with error trapping. For instance, if I asked the user to input only a numeric type, 0-9. Then how would I go about creating an error message if the user inputs "hey." I know that I could easily use the Try, Catch statements but I want to learn the other ways. problems in trapping in my textfield 14 Years Ago by jemz hello can you help me please.. i have this trapping that will trap the characters..but my problem my code … trapping 13 Years Ago by loidz123 im a newbie to java programming and i wanna know how to create a java program that would let a user enter a 6 character ID number(a combination of 3letters and 3numbers) Re: trapping 13 Years Ago by masijade JOptionPane for a "GUI" (Scanner for a "console") program. See the API docs for those classes and google for some tutorials. Re: trapping 13 Years Ago by mKorbel please learn to search on this forum, because last 3pages contains (majority of) same lesson Re: trapping 13 Years Ago by loidz123 thank you so much! trapping 12 Years Ago by churva_churva how to trap? for example in my textfield i don't want my textfield to accept double data type only integer is accepted..i don't have any idea how to do it.. can someone here give me a clue...please a sample code. Re: trapping 12 Years Ago by debasisdas You need to write a validation function for that and call the same in the lost focus of the control. Re: trapping 12 Years Ago by churva_churva can you please give an example what ur trying to say please.. Re: trapping 12 Years Ago by debasisdas Lets see the code that you are working on. Re: trapping 12 Years Ago by churva_churva General declaration Option Explicit Private sub cmd_calculate_cllick() dim radius as double if IsNumeric(txtR.Text) then radius=val(txtR.text) else MsgBox("invalid input" Exit Sub compute(radius) End if Public sub compute(ByVal radius As double) dim diameter,circumference … Re: trapping 12 Years Ago by debasisdas add this to change event or lost focus of the text box. [CODE]if vaL(txtr.text) > 32767 then msgbox( "out of range") end if;[/CODE] Re: trapping 12 Years Ago by churva_churva [CODE]if (Trim(Like"*[!0-9]*") then [/code] can u explain this to me what this kind of method i dont clearly understand it all i know "Like " is an operator in VB but it use and asteres and parenthesis MsgBox("not valid") end if this method i use do work but...i forgot to trap, if the user will input greater than … Re: trapping 12 Years Ago by ChrisPadgham if you only want an integer [CODE]if isnumeric(txtr.text) then if int(txtr.text)=val(txtr.text) then OK else msgbox "Only integers please" exit sub end if else msgbox "Please enter a number" exit sub end if[/CODE] Trapping 11 Years Ago by dearjoy I have a project in vb.net which i would like to create a program that a textbox will only allow alphabet,space and dots and it is in uppercase only.. no special character and numbers allowed. Thank you and God bless.. Hope to help me.. Re: Trapping 11 Years Ago by Begginnerdev You will have to make use of the textChanged event. You will need to keep track of the key pressed also. Create an array filled with all of the characters/keys you want to filter, then check against it with the key pressed. If it passes,add it to the text box. Re: Trapping 11 Years Ago by bnitishpai Private Sub TextBox2_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox2.KeyUp If e.KeyCode < 65 Or e.KeyCode > 90 Then MsgBox("No Numbers please") TextBox2.Clear() Exit Sub End If End Sub This … Re: Trapping 11 Years Ago by bnitishpai This code you can use for conversion of string to uppercase during a lost focus event. Same way, you will find Lowercase, Propercase and other string manupulation functions. Private Sub TextBox1_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.LostFocus TextBox1.Text = StrConv(TextBox1.Text, … Re: Trapping 11 Years Ago by G_Waddell [ascii Table web site](http://www.asciitable.com/) will give you the Ascii key codes for most characters - you can then use the KeyCode example given by bnitishpai above to filter out what you don't want. For example, this code will block them entering the invalid text altogether. Private sub Textbox1_OnKeyPress(byVal sender as object, … Re: Trapping 11 Years Ago by brylle space allowed here. If (Microsoft.VisualBasic.Asc(e.KeyChar) < 65) _ Or (Microsoft.VisualBasic.Asc(e.KeyChar) > 90) _ And (Microsoft.VisualBasic.Asc(e.KeyChar) < 97) _ Or (Microsoft.VisualBasic.Asc(e.KeyChar) > 122) Then 'space accepted If (Microsoft.… Re: Trapping 11 Years Ago by ome2012 i think you just have to change the value of CharacterCasing to "Upper" this can be found in your textbox property.... Re: Trapping 11 Years Ago by ome2012 Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress If Asc(e.KeyChar) < 65 Or Asc(e.KeyChar) > 90 And Asc(e.KeyChar) < 97 Or Asc(e.KeyChar) > 122 Then 'space accepted If Asc(e.KeyChar) <> 32 Then… Trapping the Tab Key....... 17 Years Ago by ajaxjinx Hi, I am making a small software. As a part of the Command Line Interface I am supposed to include the "tab help facility" .Incase the user is typing a command and in between he presses the Tab key, the software should display all the avavilable commands. I am unable to trap the Tab ... And ofcourse the Coding is in C.. Re: Trapping the Tab Key....... 17 Years Ago by thekashyap As you need to trap a single key, I don't think you can use getline/s(). Just catch every character typed using getchar/ch() and echo it back using putxx() if it's not the tab char. Re: Trapping the Tab Key....... 17 Years Ago by Salem Well a lot depends on your OS and compiler. Are you allowed to use libraries like ncurses? Re: Trapping the Tab Key....... 17 Years Ago by vijayan121 if you are using c++ we can write portable code [code=cplusplus] std::cin >> std::noskipws ; char ch ; std::cin >> ch ; if( ch == '\t' ) /* ... */ ;// tab else /* ... */ ; // something else [/code] Re: Trapping the Tab Key....... 17 Years Ago by ajaxjinx 1.I am working on LINUX 2. Using C, not C++ 3I can Download extra lib if the need be.