#Visual basic date type code

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#Visual basic date type how to

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#Visual basic date type windows

Xml database in Windows Forms application using Visual Studio 2010 in VB.NET.

TabControl in a Windows Forms application in Visual Studio 2010 in VB.NET.

Setup for a Windows Forms application using Visual Studio 2010 in VB.NET.

The code listed in Listing 2 creates a DateTime object and reads its properties.

Kind property returns a value that indicates whether the time represented by this instance is based on local time, Coordinated Universal Time (UTC), or neither.

TicksВ property of DateTime returns the number of ticks in a DateTime.

A tick represents one hundred nanoseconds or one ten-millionth of a second.

UtcNow property returns a DateTime in Coordinated Universal Time (UTC).

Now property returns a DateTime object that has right now date and time values.

Today property returns the DateTime object that has today's values.

TimeOfDay property returns the time element in a DateTime.

DayOfYear property returns the day of a year.

DayOfWeek property returns the name of the day in a week.

Here is a list of some other properties with their brief description. Some self-explanatory DateTime properties are Day, Hour, Minute, Second, Millisecond, Year, Month, and Day. You could also do the same with integer values, as in CInt(text1.The Date and the Time properties of DateTime get the date and the time of a DateTime. So, if you need the information in the textbox to be a long, you can simply assign a variable to it's cast type: dim TypedData as long If you need a number in a specific variable type, though, you can 'cast' it to the desired type. A number, too, can be a string, '1' is a string, but it's a character that represents a digit. There is no other means by which a textbox will contain data. Now, as was stated above, a textbox will only return a string. Here is a table of such data: 0 vbEmpty Empty and not initialized argumentДЎ vbNull Invalid data or a null string argumentДЎ3 vbDataObject Data Access Object (DAO) argument an advanced database value such as a field or recordДЁ192+int vbArray Array argument of the type specified by the int addition to 81920 vbEmpty Empty and not initialized If (Not IsNumeric(Chr$(KeyAscii)) And (Chr$(KeyAscii) '.' And Chr$(KeyAscii) vbBack)) Then KeyAscii = 0ДЄnd then test between the int or long variable types using vartype as so: if vartype(retval) = vbinteger then ' Invalidate keystroke if not a digit, decimal point or backspace. I suggest stopping them from introducing anything other than numbers, right off the bat (in the text1 keypress event): Private Sub Text1_KeyPress(KeyAscii As Integer)