Question : exit from a loop or if statement when a certain condtion is true in c#

I want to exit from a methods loop if a certain codition (i.e. words in the textbox exceed 500) is true. I have used goto and return statement but they dont seem to give me the result i wanted. Any expert ideas
I have attached the code below. When the control goes to end: {return;} it goes back to this line "IterateControls(child); " in the last if statement ...Is there a way to break from this loop and if statement.

Code Snippet:

         
           
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             void IterateControls(Control parent)
    {
        foreach (Control child in parent.Controls)
        {
            int exit = 0;
            if (child.GetType().ToString().Equals("System.Web.UI.WebControls.TextBox") && child.ID.IndexOf("txt_") == 0)
            {
                TextBox textbox = (TextBox)child;
 
                if (textbox.Text == "")
                {
                    lblError.Visible = true;
                    lblError.Text = "Please Answer All Questions";
                    goto end;
                }
 
                string Answer = Convert.ToString(textbox.Text);
                int count = CountWords(Answer);
 
                if (count > 500)
                {
                    lblError.Visible = true;
                    lblError.Text = "An answer should not carry more then 500 words";
                    exit = 1;
                    goto end;
                    
 
                }
 
 
            }
            
            if (child.Controls.Count > 0 && exit!=1)
            {
                IterateControls(child);
 
            }
        }
 
    end: { return; }
 
 
    }

           
         

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Answer : exit from a loop or if statement when a certain condtion is true in c#

OK, this should work:

                       
         
           
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             private bool __ExitIterateControls;
private bool __LoopIterateControls = false;
 
void IterateControls(Control parent)
    {
        bool blnFirstLoop = false;
        if (!__LoopIterateControls) {
            __LoopIterateControls = true;
            __ExitIterateControls = false;
            blnFirstLoop = true;
        }
        foreach (Control child in parent.Controls)
        {
            if (child.GetType().ToString().Equals("System.Web.UI.WebControls.TextBox") && child.ID.IndexOf("txt_") == 0)
            {
                TextBox textbox = (TextBox)child;
 
                if (textbox.Text == "")
                {
                    lblError.Visible = true;
                    lblError.Text = "Please Answer All Questions";
                    goto end;
                }
 
                string Answer = Convert.ToString(textbox.Text);
                int count = CountWords(Answer);
 
                if (count > 500)
                {
                    lblError.Visible = true;
                    lblError.Text = "An answer should not carry more then 500 words";
                    __ExitIterateControls = true;
                }
            }
            
            if (child.Controls.Count > 0 && !__ExitIterateControls)
            {
                IterateControls(child);
            }
            if (__ExitIterateControls)
            {
                break;
            }
        }
        if (blnFirstLoop) {
            __LoopIterateControls = false;
        }
}

           
         

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