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Value Of Type String Cannot Be Converted To System.iformatprovider

Problem converting a string into date in vb.net 100+ P: 198 veer Hi I have a probleum in vconverting a string value into date in vb.net e.g str="31.12.2005" i want to You’ll be auto redirected in 1 second. If the date needs to be canonical (for example, if you're making security decisions based on it or something like that), then you should pass CultureInfo.InvariantCulture so that it's guaranteed to In VB.Net, when I do the following: sdate.tostring("yymmdd"), it gave me an error "Value of type string cannot be converted to 'System.IFormatProvider' How can I do it in VB.NET ? check over here

The DateTimeFormatInfo class, which provides information that is used to format dates and times, such as the date and time separator symbols for a particular culture or the order and format The value parameter can be an object of any type. In VB.Net, when I do the following: sdate.tostring("yymmdd"), it gave me an error "Value of type string cannot be converted to 'System.IFormatProvider' That's because VB 'Proper's Evil Type Coersion implicitly changed styles = DateTimeStyles.AssumeLocal; if (DateTime.TryParse(dateString, culture, styles, out dateResult)) Console.WriteLine("{0} converted to {1} {2}.", dateString, dateResult, dateResult.Kind); else Console.WriteLine("Unable to convert {0} to a date and time.", dateString); // Parse a

var n = DateTime.Now; var m = n.ToString("yyyy-MM-dd'T'HH:mm:ssZ"); Anyone know why the first code isn't working and how to get it working? This documentation is archived and is not being maintained. In this case, a single date is displayed by using CultureInfo objects that represent four different cultures. typeCode Type: System.TypeCodeThe type of object to return.

However, because the ChangeType(Object, TypeCode, IFormatProvider) method performs the conversion using the default "G" format specifier, the provider parameter has no effect if value or the target type is an unsigned integer. Member 10 Points 207 Posts Re: Converting the date formats Sep 17, 2003 11:04 AM|Ryan Milligan|LINK The DateTime.Subtract() method that takes another DateTime returns a TimeSpan, not another DateTime. Find the rate of change at a point on a polynomial Is it possible to hand start modern planes? Its GetFormat method returns a NumberFormatInfo object that provides culture-specific format information about the format of the string that is returned by this method.

Its GetFormat method returns a reference to the current AcctNumberFormat instance if the formatType parameter refers to a class that implements ICustomFormatter; otherwise, GetFormat returns null. Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! 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 C#C++VB Copy using System; using System.Globalization; public class InterceptProvider : IFormatProvider { public object GetFormat(Type formatType) { if (formatType == typeof(NumberFormatInfo)) { Console.WriteLine(" Returning a fr-FR numeric format provider."); return new

It will complain about assigning a string to a DateTime. intValue2 = (int) fValue1; Console.WriteLine("{0} ({1})--> {2} ({3})", fValue1, fValue1.GetType().Name, intValue2, intValue2.GetType().Name); } } // The example displays the following output: // 12893 (Int32)--> 12893 (Double) // 16.3478 (Single)--> 16 (Int32) A parameter supplies culture-specific formatting information.Namespace:   SystemAssembly:  mscorlib (in mscorlib.dll)Syntax C#C++F#VB Copy public static object ChangeType( object value, TypeCode typeCode, IFormatProvider provider ) Parametersvalue Type: System.ObjectAn object that implements the If s contains a time but no date, the method by default substitutes the current date or, if styles includes the NoCurrentDateDefault flag, it substitutes DateTime.Date.MinValue.

The example illustrates when the method uses the IFormatProvider parameter and also illustrates the use of the provider parameter to perform culture-sensitive formatting. Thanks, Seth Rowe Kerry Moorman wrote: fpvt2, I did not have any problems getting the following code to work: Dim d1 As DateTime = Now Console.WriteLine(d1.ToString("yyMMdd")) Maybe you can post the If s contains a date but no time, 12:00 midnight is used as the default time. conversionType Type: System.TypeThe type of object to return.

Similar topics Strange Date Problem Search Query Problem SP1 Problem SOAPException doesn't return quote and Umlaute correcty SQL query and system DATE problem Problem importing Date Field into SQL DB. check my blog I was missing the date completely., :-) Cor "Fabio" "Cor Ligthert [MVP]" fpvt,Or in true VisualBasicCDate("12/15/06").ToString("yyMMdd") I repeat: watch out for In the first one, the type of n is string. What is the point of update independent rendering in a game loop?

If you explicitly list the types, you'll gain a greater understanding of what's going on, and the compiler will flag errors earlier. dateString = "2009/03/01T10:00:00-5:00"; styles = DateTimeStyles.AssumeLocal; if (DateTime.TryParse(dateString, culture, styles, out dateResult)) Console.WriteLine("{0} converted to {1} {2}.", dateString, dateResult, dateResult.Kind); else Console.WriteLine("Unable to convert {0} to a date and time.", dateString); Whether and how this parameter is used depends on the underlying IConvertible implementation. this content If s includes time zone or time zone offset information, the DateTime.TryParse(String, IFormatProvider, DateTimeStyles, DateTime) method performs any necessary time conversion and returns one of the following:A DateTime value whose date and time reflect

You’ll be auto redirected in 1 second. .NET Framework 4.6 and 4.5 .NET Framework Class Library System System IFormatProvider Interface IFormatProvider Interface IFormatProvider Interface _AppDomain Interface AccessViolationException Class Action Delegate Action(T) This documentation is archived and is not being maintained. Return Value Type: System.StringThe string representation of the value of this instance as specified by format and provider.ImplementsIFormattable.ToString(String, IFormatProvider)Exceptions Exception Condition FormatExceptionformat is invalid or not supported.RemarksThe ToString(String, IFormatProvider) method formats an Int32

string result = arg.ToString(); // If account number is less than 12 characters, pad with leading zeroes.

TIKZ: foreach not compatible with calc-library? So , you have to write the code in your application to get the string with valid date in required date format. It's quick & easy. Example please How to convert a date string to datetime value with custom date format?

C#VB Copy using System; using System.Globalization; public class Example { public static void Main() { DateTime dateValue = new DateTime(2009, 6, 1, 4, 37, 0); CultureInfo[] cultures = { new CultureInfo("en-US"), The best overloaded method match for 'System.Convert.ToString(object, System.IFormatProvider)' has some invalid arguments 2. Dev centers Windows Office Visual Studio Microsoft Azure More... http://rinfix.com/value-of/value-of-type-string-cannot-be-converted-to-system-array.html See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> Developer Network Developer Network Developer Sign in MSDN subscriptions

You’ll be auto redirected in 1 second. 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 An IFormatProvider is an object that can return format information, such as a CultureInfo or a DateTimeFormatInfo. But is there a way to strip of the "/" eg. 20/08/2003 & give 20082003 XeNo Reply Ryan Milliga...

Dev centers Windows Office Visual Studio Microsoft Azure More... when i try converting the Date format 20/08/2003 and output it to a textbox after i click a button it give me a result of "0001,1,01" The other is problem is Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! provider must be a CultureInfo or DateTimeFormatInfo object.

You’ll be auto redirected in 1 second. Return Value Type: System.Int32A 32-bit signed integer that is equivalent to the number in value, or 0 (zero) if value is null.Exceptions Exception Condition FormatExceptionvalue does not consist of an optional Dec 16 '06 #10 This discussion thread is closed Start new discussion Replies have been disabled for this discussion. Version InformationUniversal Windows PlatformAvailable since 8.NET FrameworkAvailable since 2.0Portable Class LibrarySupported in: portable .NET platformsSilverlightAvailable since 2.0Windows Phone SilverlightAvailable since 7.0Windows PhoneAvailable since 8.1See AlsoParseCultureInfoDateTimeFormatInfoTryParse OverloadDateTime StructureSystem NamespaceParsing Date and Time Strings

Dec 15 '06 #2 P: n/a rowe_newsgroups I'm thinking he's using hungarian notation - so sdate is probably declared as a string, not a datetime. GetFormat is a callback method: The parsing or formatting method calls it and passes it a Type object that represents the type of object that the formatting or parsing method expects Dec 16 '06 #9 P: n/a Cor Ligthert [MVP] Fabio, Normally I am the one who is writting as you did in the dotNet newsgroup. Version InformationUniversal Windows PlatformAvailable since 8.NET FrameworkAvailable since 1.1Portable Class LibrarySupported in: portable .NET platformsSilverlightAvailable since 2.0Windows Phone SilverlightAvailable since 7.0Windows PhoneAvailable since 8.1See AlsoChangeType OverloadConvert ClassSystem NamespaceReturn to top Show: Inherited

If a date is present but its year component consists of only two digits, it is converted to a year in the provider parameter's current calendar based on the value of Read @JeroenVannevel's comment. –Cole Johnson Sep 7 '14 at 16:49 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote accepted You need to understand how static Dec 15 '06 #1 Post Reply Share this Question 9 Replies P: n/a rowe_newsgroups AFAIK the .ToString(...dateformat...) only works with a DateTime object. Build me a brick wall!

We appreciate your feedback. Since you provided an argument, the compiler assumes you meant the second version, but the types don't match. Why does Cutie act like this and lesser robots listen to it? Jun 4 '08 #11 reply Message Cancel Changes Post your reply Join Now >> Sign in to post your reply or Sign up for a free account.