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The test program has 3 textboxes the sum held in txt3. And may their arms be too short to scratch! TIP I don't know of any developer who knows every available function off the top of his or her head, so don't expect or think you need to. For example, CDate recognizes date formats according to the locale setting of your system.

there's lots of good stuff to be leared by doing it yourself. :) Again though if this is for a large paid project, it might be worth looking into potentially buying You must provide the day, month, and year in the correct order for your locale, or the date might not be interpreted correctly. I agree with Rory that there needs to be some kind of form validation, I was really asking the correct or should I say tidier way of performing the conversion. aDecimal = CDec(aDouble) CInt ExampleThe following example uses the CInt function to convert a value to Integer.

When different decimal separators are used, as in international applications, use CDbl or CInt instead to convert a string to a number. -- Dave Griffiths Tim Patrick wrote: In the txt2_LostFocus If this is a small project then go for it... It's common to have an integer outside of that range in spreadsheet operations. Also, there are some minor situations where Val will generate an error instead of returning zero for unrecogized input. ----- Tim Patrick - www.timaki.com Start-to-Finish Visual Basic 2005 Hi all Using

I think it's bizarre that Val works this way, but it does. Thank you all very much for your help! The test program has 3 textboxes the sum held in txt3. And may their arms be too short to scratch!

When you have received an answer to your question, please mark it as resolved using the Thread Tools menu. A long date format is not recognized if it contains a day-of-the-week string, such as "Wednesday".If you need to convert to or from a string representation of a value in a Jul 2 '07 #4 P: n/a Rory Becker Hi all Using VB2005 on Vista with a Norwegian locale setup. > The test program has 3 textboxes the sum held in txt3. Using the code below, txt2 conversion causes an error when it is left empty.

A point to remember when coding your functions: Be consistent in using data types. For numbers with decimals, use the Double data type: Dim val1 As Double Dim val2 As Double Dim val3 As Double val1 = TextBox1.Text 'entered value 6,406,427 val2 = textbox2.Text 'entered Just replace the conversion function itself (CLng). The smallest possible non-zero number is 0.0000000000000000000000000001 (+/-1E-28).CIntInteger Data Type (Visual Basic)-2,147,483,648 through 2,147,483,647; fractional parts are rounded.1CLngLong Data Type (Visual Basic)-9,223,372,036,854,775,808 through 9,223,372,036,854,775,807; fractional parts are rounded.1CObjObject Data TypeAny valid

Nenio foriras ĝis ĝi havas instru ni kiu ni devas scii. In general, you can use the data type conversion functions to coerce the result of an operation to a particular data type rather than the default data type. To do so I'm using CInt() which works well. Any expression of the source data type.Return Value Data TypeThe function name determines the data type of the value it returns, as shown in the following table.Function nameReturn data typeRange for

TIP: If the fraction is less than or equal to .5, the result will round down. SQL 'Select' statement formatter/checker .. Thanks! Cheers Cap excel vba excel-vba share|improve this question asked Jun 1 '11 at 13:38 Captastic 2521513 add a comment| 5 Answers 5 active oldest votes up vote 55 down vote accepted

for example ------------------------------------------------------------- Public Function isFormValid(ByRef ErrorMessage as String) as Boolean If SomeBadCondition then ErrorMessage = "Alert User of Problem" Exit Sub End If If SomeOtherBadCondition then ErrorMessage = "Alert User asked 5 years ago viewed 366319 times active 3 years ago Linked 3 Unexpected String Results 0 How do I remove the leading 0's from a number? 0 How to calculate aDate = CDate(aDateString) ' The following line of code sets aTime to Date value. I might add that if the value of any Scan7.Text is larger than the maximum integer limit, he will receive Error 6 Overflow when using CInt(), even if it passes the

The Date Data Type (Visual Basic) always contains both date and time information. The content you requested has been removed. FlexGrid: fill from recordset .. www.CodeProject.com should have a few examples.

Convert colour number to colour name .. The IsNumeric function is a quick check to see if the expression (which is usually a String) can be interpreted as numbers. In the search box type functions list, and one of the options is Functions (Alphabetical List). Just remember that an expression expresses a value.

Please use [Code]your code goes in here[/Code] tags when posting code. The code in txt1 works OK but I am asking is there a better way of coding this Public Class Main Dim y As Integer Dim x As Integer Private Sub Code: Debug.Print IsNumeric("1.79769313486231E+308") 'within a double, returns True Debug.Print IsNumeric("1.79769313486232E+308") 'beyond a double, returns False At least it's worth casting to a Double to check it's range before recasting to another Also, there are some minor situations where Val will generate an error instead of returning zero for unrecogized input. ----- Tim Patrick - www.timaki.com Start-to-Finish Visual Basic 2005 Hi all Using

CDate recognizes date literals and time literals but not numeric values. Syntax The syntax for the CINT function in Microsoft Excel is: CInt( expression ) Parameters or Arguments expression The value to convert to an integer. SQL 'Select' statement formatter/checker .. I would however suggest that for anything that might eventually be a less than trivial form, that you should consider the creation of a function to validate the form itself before

Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies Which sounds great, except that CDbl and CInt don't do the same thing as Val. All rights reserved 800 East 96th Street, Indianapolis, Indiana 46240 Register Help Remember Me? var = Replace(var, ",", ".") Dim i As Integer On Error Resume Next i = Round(Val(var)) ' if error occurs, i will be 0 CastInt = i End Function Of course

It returns true if it's a number or false otherwise. especially if you see yourself having to deal with multiple different types of formatting. aULong = CULng(aDouble) CUShort ExampleThe following example uses the CUShort function to convert a numeric value to UShort. Until the fraction is greater than .5, the CINT function will not round the number up.

It doesn't seem to multiply decimals. Q: Inherit string type, possible? Use date literals and time literals, such as #Feb 12, 1969# and #4:45:23 PM#, instead. Reply With Quote Jul 23rd, 2008,06:56 PM #8 Code Doc View Profile View Forum Posts PowerPoster Join Date Mar 2007 Location Omaha, Nebraska Posts 2,355 Re: [RESOLVED] Overflow: 'Cint': Simple Cint

VB Copy Dim aByte As Byte Dim aShort As Short aByte = 100 ' The following line of code sets aShort to 100. To do this, use the ToString(IFormatProvider) and Parse(String, IFormatProvider) methods of that value's type. VB Copy Dim aDateString, aTimeString As String Dim aDate, aTime As Date aDateString = "February 12, 1969" aTimeString = "4:35:47 PM" ' The following line of code sets aDate to a Conversion from string "" to type 'Integer' is not valid.