Build Running Total in HTML Table

EDN Admin · Sep 3, 2012

<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt As I am learning and becoming accilimated in the C# and HTML environment, can someone help me
understand how I can build the total in the table footer each time each row is calculated with an OnClick event? My first event is displaying what the total amount should read but how to I calculate the running total from that point on?
Is this where I need to apply a while or for loop in here to build that?
<p style="line-height:normal; margin-bottom:0pt
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System.Collections.Generic;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System.Linq;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System.Web;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System.Web.UI;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt using System.Web.UI.WebControls;
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt {

public partial class u2ipSchmidt : System.Web.UI.Page

{



protected void ButtonSubmit1_Click(object sender, EventArgs e)

{
<p style="line-height:normal; margin-bottom:0pt

double cost1 = Convert.ToDouble(txtQty1.Text) *

Convert.ToDouble(lblPrice1.Text);

lblCost1.Text = "Total cost: " + cost1.ToString("c");

Total.Text = cost1.ToString("c");



}





protected void ButtonSubmit2_Click(object sender, EventArgs e)

{

double cost2 = Convert.ToDouble(txtQty2.Text) *

Convert.ToDouble(lblPrice2.Text);
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
Total.Text <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
= "Total cost: " + cost2.ToString("c");





}

protected void ButtonSubmit3_Click(object sender, EventArgs e)

{
<p style="line-height:normal; margin-bottom:0pt

double cost3 = Convert.ToDouble(txtQty3.Text) *

Convert.ToDouble(lblPrice3.Text);
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt Total.Text
<span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
= "Total cost: " + cost3.ToString("c");
<p style="line-height:normal; margin-bottom:0pt

}

protected void ButtonSubmit4_Click(object sender, EventArgs e)

{
<p style="line-height:normal; margin-bottom:0pt

double cost4 = Convert.ToDouble(txtQty4.Text) *

Convert.ToDouble(lblPrice4.Text);
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
Total.Text <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
= "Total cost: " + cost4.ToString("c");
<p style="line-height:normal; margin-bottom:0pt

}

protected void ButtonSubmit5_Click(object sender, EventArgs e)

{

double cost5 = Convert.ToDouble(txtQty5.Text) *

Convert.ToDouble(lblPrice5.Text);
<p style="line-height:normal; margin-bottom:0pt <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
Total.Text <span style="padding:0in; border:1pt windowtext; color:black; font-family:Verdana,sans-serif; font-size:8.5pt
= "Total cost: " + cost5.ToString("c");

}

}




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Build Running Total in HTML Table

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