multiplying tow textboxes and place the result ina label

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C#

C#4.0

i have tow text boxes when i entered the values in the page the result should be displayed in the same page

Posted 4-Oct-12 7:30am

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ridoy · Answer 1 · 2012-10-04T10:11:00

Solution 2

C#

double num1, num2;
private void button1_Click(object sender, EventArgs e)
{
    num1 = Convert.ToDouble(textBox1.Text);
    num2 = Convert.ToDouble(textBox2.Text);
    label1.Text = Convert.ToString(num1 * num2);
}

Posted 4-Oct-12 10:11am

ridoy

Ambesha · Answer 2 · 2012-10-05T01:01:00

Friend, on button click event, take the value of both text box like TextBox1.Text and convert them into double/int data type, multiply both the textbox values and assign the value on label as "Label1.Text =(Convert.ToInt(TextBox1.Text)*Convert.ToInt(TextBox2.Text)).ToString();"

Thanks,
Ambesha

Mandi Kant · Answer 3 · 2012-10-04T08:28:00

C#

<body>
    <form id="form1" runat="server">
    <div>
    <asp:label id="lblNumber1" runat="server" text="Enter first value:" xmlns:asp="#unknown"></asp:label>
    <asp:textbox id="txtNumber1" runat="server" xmlns:asp="#unknown"></asp:textbox>
    <br />
    <asp:label id="lblNumber2" runat="server" text="Enter second value:" xmlns:asp="#unknown"></asp:label>
    <asp:textbox id="txtNumber2" runat="server" xmlns:asp="#unknown"></asp:textbox>
    <br />
    <asp:button id="btnMultiplication" runat="server" text="Multiplication" onclick="OnBtnMultiplicationClick" xmlns:asp="#unknown"></asp:button>
    <br /><asp:label id="lblMultiplication" runat="server" xmlns:asp="#unknown"></asp:label>
    </div>
    
    </form>
</body>

Now on code behind (test.aspx.cs):
----------------------------------

C#

 protected void OnBtnMultiplicationClick(object sender, EventArgs e)
        {
            int num1=Convert.ToInt32(txtNumber1.Text);
            int num2 = Convert.ToInt32(txtNumber2.Text);
            lblMultiplication.Text = (num1 * num2).ToString();

        }
**Validation is not done so check for Null or empty value.

multiplying tow textboxes and place the result ina label

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