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POHow do I stop a single button from hiding my textbox during a specific event?
 

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  1. POHow do I stop a single button from hiding my textbox during a specific event?
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    <p>I have two questions:</p> <p>1) Is this the correct way to make my default value = 0 for variables, then pass a value given by the user into that variable?</p> <pre><code>protected void btnCheck_Click(object sender, EventArgs e) { lblYesNo.Text = ""; //default int values are set to 0 int remainder = 0; int guess = 0; remainder = int.Parse(txtRemainder.Text); guess = int.Parse(txtAnswer.Text); answer = (int)Session["answer"]; if (guess == answer) { lblYesNo.Text = lblYesNo.Text + "Correct!"; } else { lblYesNo.Text = lblYesNo.Text + "Try Again.."; } }//END Check Answer </code></pre> <p>2) how can I stop the Check_Click(submit button) from hiding the txtRemainder(textbox)? The reason it 'auto-hides' now is because I set the default value to 'txtRemainder.Visible = false;' in the Page_Load, which will make it hide unless the math problem is division. When I click on the btnDiv_Click(divide button) it resets it to 'txtRemainder.Visible = true;', because this provides a division question to be solved.</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class BasicMath : System.Web.UI.Page { int number1; int number2; int answer; protected void Page_Load(object sender, EventArgs e) { txtRemainder.Visible = false; } protected void GetRandom() { Random rand = new Random(); number1 = rand.Next(0, 10); number2 = rand.Next(0, 10); txtAnswer.Text = ""; txtRemainder.Text = ""; lblYesNo.Text = ""; }//END Get Random Number protected void btnAdd_Click(object sender, EventArgs e) { GetRandom(); lblEquation.Text = number1.ToString() + " + " + number2.ToString(); answer = number1 + number2; Session["answer"] = answer; }//END Addition Button protected void btnSub_Click(object sender, EventArgs e) { GetRandom(); if (number2 &gt; number1) { answer = number2 - number1; lblEquation.Text = number2.ToString() + " - " + number1.ToString(); } else { answer = number1 - number2; lblEquation.Text = number1.ToString() + " - " + number2.ToString(); } Session["answer"] = answer; }//END Subtraction Button protected void btnMult_Click(object sender, EventArgs e) { GetRandom(); lblEquation.Text = number1.ToString() + " x " + number2.ToString(); answer = number1 * number2; Session["answer"] = answer; }//END Multiplication Button protected void btnDiv_Click(object sender, EventArgs e) { Random rand = new Random(); number1 = rand.Next(1, 10); number2 = rand.Next(1, 10); /*will only display the txtRemainder(textbox) while using the Divide button, txtRemainder will auto-hide when using another button because it's default setting of '.Visible = false' is placed in the Page_Load*/ txtRemainder.Visible = true; lblEquation.Text = number1.ToString() + " / " + number2.ToString(); answer = number1 / number2; Session["answer"] = answer; }//END Division Button protected void btnCheck_Click(object sender, EventArgs e) { lblYesNo.Text = ""; //default int values are set to 0 int remainder = 0; int guess = 0; remainder = int.Parse(txtRemainder.Text); guess = int.Parse(txtAnswer.Text); answer = (int)Session["answer"]; if (guess == answer) { lblYesNo.Text = lblYesNo.Text + "Correct!"; } else { lblYesNo.Text = lblYesNo.Text + "Try Again.."; } }//END Check Answer } </code></pre> <p>If this question doesn't make sense please ask for clarification.</p>
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