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Jamie Taxer · Nov 1 '11, 01:26 PM

I am using Visual Basic for a Psychology experiment and I would like to check and see if the participants answered all of the questions on one form before moving on to the next. So far this is what I have done and it is not working.

If txbAge.Text = String.Empty Then
MsgBox("Wie Alt bist du?")
Else : Me.Hide()
AnagramExample. ShowDialog()
End If
...

Sri13 · Dec 2 '10, 04:23 PM

Is there a way to initialize an enum to null/empty?

Code:

public enum Color
{
  Red,
  Blue
}

How to do something:
Color c = null;
or
Color c = "";

ashlegen · Sep 14 '10, 12:41 PM

Hi guys.I've got a problem.I'm building my php browsergame and i'm stuck into the inventory page.I have a code that seems ok to me but it won't work.Here it is:

Code:

$inventory = array();
$query = sprintf("SELECT id, item_id, quantity FROM user_items WHERE user_id = '%s'",
		mysql_real_escape_string($userID));
$result = mysql_query($query);
while($row = mysql_fetch_assoc($result)) {
	 $item_query

...

Thew · Aug 18 '10, 09:33 AM

How can i get an button not clickable? like it is gray, and already pressed?

nstalkol · Jun 1 '10, 05:51 PM

Im a rookie.

I have am unbound combo box populated with values (rowsource) from a query which has 2 tables in it. Each table has its own ID, but both are included in the combo box (info3). Sometimes the combobox has ID values from Table A, but the corresponding ID value in table B is NULL. The bound column is the ID from B, because I use it to populate text boxes, by going to that record using:

strCriteria = "[ID]...

Search Result

Checking for empty text boxes

How to initalize enum to null or blank?

I'm trying a php code but i don't know what's wrong!

Button not clickable?

Bound Combo box is Empty on selection of Null value on Exit Sub