Comparisons

[gerald]

Ok I am a little confused about the way VBScript handles variables in comparisons.<br><br>Lets say I have the following code:<br><br>Dim var1, var2<br><br>var1 = &quot;0&quot;<br><br>Do While var1 &lt; 5<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Response.Write var1 & vbcrlf<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var1 = var1 + 1<br>Loop<br><br>This will run as expected and print the value of var1 5 times<br><br>This code:<br><br>Dim var1, var2<br>var1 = &quot;0&quot;<br>var2 = 5<br><br>Do While var1 &lt; var2<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Response.Write var1 & vbcrlf<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var1 = var1 + 1<br>Loop<br><br>will not execute anything inside of the do/while loop<br><br>This code:<br><br>Dim var1, var2<br>var1 = &quot;0&quot;<br>var2 = &quot;5&quot;<br><br>Do While var1 &lt; var2<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Response.Write var1 & vbcrlf<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var1 = var1 + 1<br>Loop<br><br>will just keep going and going and never end until the server says it has been executing too long<br><br>--------------------------------------------------------<br><br>Basically what I want to do is take a range of numbers from an html form and iterate through them. When I request it from the form it comes to the variable as a string. <br><br>When I try to compare the numbers<br>If Number1 &lt; Number2 Then<br>&nbsp;...<br>End If<br><br>will not execute. and if i print the values of the numbers out, i will see that for instance, Number1 = 25 and Number2 = 30 so Number1 is less than Number2.<br><br>Im guessing that this is an issue with it being a string. So what I want to know is, how can I evaluate what I want to evaluate?<br>Supposedly all variables are variant in VBScript and I cannot find any commands that will convert between a string and a number.<br><br>Any information would be greatly appreciated. ;-)<br><br>It is possible that I am overlooking something very simple so be gentle. Heh. I am a C/C++ programmer thrown into a world of ASP and VBScript.<br><br><br><br><br>

 

[NickBulka]

Unfortunately, you can't declare variables with a particular type, but you can explicitly force a data type by using one of the conversion functions. In your case, if the value will never be greater than 32767 you can use Cint(), otherwise use Clng().<br><br>for example:<br><br>Dim var1, var2<br>var1 = &quot;0&quot;<br>var2 = 5<br><br>Do While Cint(var1) &lt; Cint(var2)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Response.Write var1 & vbcrlf<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var1 = Cint(var1) + 1<br>Loop<br><br><br> <p>nick bulka<br><a href=mailto: > </a><br><a href=

http://www.bulka.com>

</a><br>Get your technical books at Bulka's Books<br>

http://www.vstorebooks.com/bulkasbooks

 

[gerald]

Thank you that is exactly the solution I was looking for!<br>I actually found a workaround for the particular problem that I had but I am going to change that now to use this type because it makes more sense to me and to anybody else looking at my code.<br><br>Thanks again<br>Gerald<br>