Passing a value of a variable from the main page to a custom class

[KingSatan]

i am trying to pass a value from my main page to a customm class
i've read and read and read but nothing is sinking in

ok on the main webpage there is a dropdown list i want the selected index (int) to be passed to my custom class so it may determine which dataset to pass back to the main page.


any help is appreciated
Visual C# 2003

[drattansingh]

Main class:

contains variable : int x.
classOb a = new classOb(this);


Object class: classOb.cs

private Main m;

// constructor
public classOb(Main v)
{
m=v;
}

m.x // to use the variable x.



I don't know if I misunderstood your question but if you're trying to access a variable from another form, well that's how i do it.

Jennifer

[KingSatan]

yes i am trying to access varibles from different forms and classes

creating custom classes so all my code isnt on the main forms

thanx

[KingSatan]

ok im not sure i got it still.... im rusty frm not doing ANYTHING in a long time
i have this as my class im trying to use the index of a dropdownlist as the int which determines which data to pull up

using System;

namespace TCM
{
	public class PInterface
	{
 
		public PInterface(Public_Page pp, int a, string m, int sr)
		{


			if(a.Equals(1))
			{
				m="1";
			}
			else
				if(a.Equals(2))
			{
				m="2";
			}
			else
				if(a.Equals(3))
			{
				m="3";
			}
			else
				if(a.Equals(4))
			{
				m="4";
			}
		}
		
	}
}

i guess i dont know how to make the variable visible to my other class(es) and vice versa

[popskie]

And wheres variable m came from?

[KingSatan]

sorry "L" was supposed to be changed to "m"

[drattansingh]

I dont know if this is what you want, but do you want other classes to access the variable a or m?

using System;

namespace TCM
{
	public class PInterface
	{

                int a; string m; int str;
		public PInterface(int a, string m, int sr)
		{


			if(a == 1))
			{
				m="1";
			}
			else
				if(a.Equals(2))
			{
				m="2";
			}
			else
				if(a.Equals(3))
			{
				m="3";
			}
			else
				if(a.Equals(4))
			{
				m="4";
			}
		}

                public int GetM() { return(a); }  // method to get a
		
	}
}



// other class

PInterface p = new PInterface();

// to access the variable a:
int x = p.GetM();

I prefer to use the set / get methods rather than the short hand that c# offers, but you could use them if you like.

I don't know if I misunderstood you post. Is this what you want?

Jennifer

[KingSatan]

no i want the PInterface to get a from the Main page
i want a the main page to get m from Pinterface


side question

would it be the same if m was a dataset?

[drattansingh]

public class PInterface
{

public PInterface(frmMain m)
{
this.m = m;
}

m.var // you access the variable var from object m with the dot operator

}


in the frmMain form:

public int var; // you must declare this variable as public or else PInterface will not be able to access it.
var = 9;


Hope this helps,
Jennifer.

[KingSatan]

what about a dataset?
say i wanted to populate a dropdown box
how would i pass the information from the ds in the custom class to a ds in the main class?
or could i access it like any other public variable?
could you give me an example?

[KingSatan]

ok sorry folks
keep overlooking my dropdown list data text field