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validating

validating, i would like to know how to validate numbers between 1 and 40

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tumelo	10 Mar, 2008 - 03:28 AM Post #1
New D.I.C Head Joined: 10 Mar, 2008 Posts: 1	CODE private void button1_Click(object sender, EventArgs e) { //number btw 1 and 40 taken as a valid number. int num = int.Parse(textBox1.Text); if (num < 1 && num > 40) { errorProvider1.SetError(textBox1, "number not valid"); textBox1.Focus(); textBox1.SelectAll(); } else { errorProvider1.SetError(textBox1,""); } }
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tumelo

RE: Validating

10 Mar, 2008 - 03:36 AM

Post #2

New D.I.C Head

Joined: 10 Mar, 2008
Posts: 1

//here is my code.

csharp


        private void button1_Click(object sender, EventArgs e)
        {
            //number btw 1 and 40 taken as a valid number.
            int num = int.Parse(textBox1.Text);

            if (num < 1 && num > 40)
            {
                errorProvider1.SetError(textBox1, "number not valid");
                textBox1.Focus();
                textBox1.SelectAll();               
            }

            else
            {
            errorProvider1.SetError(textBox1,"");
            }       
       
        }

Please use code tags when posting your code, like

This post has been edited by PsychoCoder: 10 Mar, 2008 - 05:01 AM

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PsychoCoder	RE: Validating 10 Mar, 2008 - 05:03 AM Post #3
using DIC.Core; Joined: 26 Jul, 2007 Posts: 9,483 Thanked: 161 times Dream Kudos: 9075 Expert In: VB, VB.Net, C#, SQL, ASP, ASP.Net, Web Development, HTML, CSS, Win32 API, Javascript, mySQL, J#, Boo.Net My Contributions	You are making things harder on yourself than they have to be, take a look into the RangeValidator Control, it will do your validating for you. By the way, is the code you posted not working? Do you receive an error?
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Nykc	RE: Validating 10 Mar, 2008 - 05:58 AM Post #4
That Just Happened! Joined: 14 Sep, 2007 Posts: 4,509 Thanked: 18 times Dream Kudos: 275 My Contributions	Hello Tumelo, welcome to Dream.In.Code! Since this forum is for introductions only it probably won't yield much of a result. Please post your question in the appropriate forum so someone can assist you. Please use
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thehat	RE: Validating 10 Mar, 2008 - 06:27 AM Post #5
D.I.C Head Joined: 28 Feb, 2008 Posts: 217 Dream Kudos: 100 My Contributions	Shouldn't that if have an OR rather than AND? CODE if (num < 1 \|\| num > 40)
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WolfCoder	RE: Validating 10 Mar, 2008 - 08:05 AM Post #6
ギュウ～ Joined: 5 May, 2005 Posts: 3,724 Thanked: 8 times Dream Kudos: 1450 My Contributions	Welcome to Dreamscode ^^ I would like to know more about yous for coming here~
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Jayman	RE: Validating 10 Mar, 2008 - 11:04 AM Post #7
Student of Life Joined: 26 Dec, 2005 Posts: 7,327 Thanked: 66 times Dream Kudos: 500 Expert In: Everything My Contributions	Topics merged. Please do not create duplicate topics.
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