Validating date in vb net

Posted by / 15-Nov-2020 08:04

Although the programmer will obviously take every precaution to ensure the correct operation of the program, and will attempt to eliminate bugs that could cause a problem through a rigorous process of testing, they have no real control over mistakes made by the user during data entry.Nor can they guarantee that any data files used by the program will be free of errors and in the correct format. What i am after is something like a Is Numeric() fuction or way i can test a value if it is date Time value and recieve a boolean answer i.e. Yard Dancer Practicing at home before I attempt to dance at the hall. What i am after is something like a Is Numeric() fuction or way i can test a value if it is date Time value and recieve a boolean answer i.e. Yard Dancer Practicing at home before I attempt to dance at the hall. k=date Ken --------------------- "Yard Dancer" Hi All, Does anybody have a routine for validating a date or Date Time entry in a textbox. Parse(textbox.text) methods which would throw a Fromat Exception. If you know the region you can do this: string UK="13/1/2006"; Date Time UKDate = Date Time. Hi All, Does anybody have a routine for validating a date or Date Time entry in a textbox. Parse(textbox.text) methods which would throw a Fromat Exception.Hi, If you are using vb 2005 I would use Date Time.

Set Error(tb App1, "This is not a valid date; Enter in this format ('M/d/yyyy' or 'M/d/yy')") End If Else Error Provider1. Clear() End If End Sub 'Private Sub mtb App1_Type Validation Completed(By Val sender As Object, By Val e As Type Validation Event Args) Handles mtb App1. Set Error(mtb App1, "The data you supplied must be a valid date in the format mm/dd/yyyy.") Else ' Now that the type has passed basic type validation, enforce more specific type rules. Set Error(mtb App1, "The data you supplied must be today's date") e. Text) Then 'valid date now just check if date falled within permitted range Dim Comp Date As Date = CDate(tb App1.

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You can create a Date Time object in one of the following ways − Module Module1 Sub Main() 'Date Time constructor: parameters year, month, day, hour, min, sec Dim date1 As New Date(2012, 12, 16, 12, 0, 0) 'initializes a new Date Time value Dim date2 As Date = #12/16/2012 AM# 'using properties Dim date3 As Date = Date.