Anybody know why there's no TryParse method for a string type? I can do the following when trying to convert an object to int: object oTest = 1; as Int32 or DateTime usually define additional overloads that provide extra formatting options. Also, if you want to convert a value of an unknown type Visual Basic .NET - How To Video Tutorials by Joe Bolen. Learn the TryParse method to test and convert GUI string input into numeric data types. 21) The TryParse Method Joseph Bolen. Loading VB 2008 Tutorial 9.2: TryParse Method Part 2. This is the second part of Tutorial 9 in which we introduce the TryParse method for numeric data types. Visual Basic 2008 for Beginners: Tutorial Convert .NET data types using Parse and TryParse Tutorial in Category .NET Framework at EzzyLearning.com. ASP.NET Android AngularJS AJAX JQuery Visual C# ADO.NET.NET Framework LINQ Visual Basic Java. VB.NET Dim input As String = "5" Dim i As Integer = Int32.Parse(input) Dim d As Double In C#, Convert.ToDateTime & DateTime.TryParse (VB.NET's CDate). ASP.NET Questions Other Discussions FreeRice Donate Issues to report Marked as answer by Misha78 Thursday, December 5, 2013 9:03 AM Visual Basic supports assignment between tuple types that have the same number of fields. The field types can be converted if one of the following is true: Number As Int32) Dim number As Integer Return (Int32.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, number), number I have a table which have one field is an AGE field, with int32 type, allows NULL . When i add 1 new value in textbox txtAge and insert its into AGE field,my program debugs success.But when i put a empty value in txtAge(ignore this value), i always get error: Input string was not in a correct Int32 Int32 Int32. Optional. Position within Expression that starts a substring used for replacement. The return value of Replace is a string that begins at Start, with appropriate substitutions. If omitted, 1 is assumed. Or how