when i click the drop down that value should be come in text box how to do in asp.net with csharp

i am doing application in asp.net(webiste) with csharp code.

design as follows;

textbox1 Dropdown1

textbox2 dropdown2 ( in drop down 2 0 to 9 values are there in horzintal)

when i click the dropdown2 that value should come in textbox1 and multiply with dropdown1 and result to be in textbox2 how to do.

using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; namespace WebApplication10 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { DropDownList2.AutoPostBack = true; DropDownList1.Items.Add("0"); DropDownList1.Items.Add("1"); DropDownList1.Items.Add("2"); DropDownList2.Items.Add("0"); DropDownList2.Items.Add("1"); DropDownList2.Items.Add("2"); } } protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e) { TextBox1.Text = DropDownList2.SelectedItem.Text; } protected void Button1_Click(object sender, EventArgs e) { double a, b, c; a = Convert.ToDouble(TextBox1.Text); b = Convert.ToDouble(DropDownList1.SelectedItem.Text); c = Convert.ToDouble(a * b); TextBox2.Text = c.ToString(); } } }

3 Replies

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Satyapriya Nayak13y ago
If this post helps you mark it as answer
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Satyapriya Nayak13y ago
using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; namespace WebApplication10 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { DropDownList2.AutoPostBack = true; DropDownList1.Items.Add("0"); DropDownList1.Items.Add("1"); DropDownList1.Items.Add("2"); DropDownList2.Items.Add("0"); DropDownList2.Items.Add("1"); DropDownList2.Items.Add("2"); } } protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e) { TextBox1.Text = DropDownList2.SelectedItem.Text; } protected void Button1_Click(object sender, EventArgs e) { double a, b, c; a = Convert.ToDouble(TextBox1.Text); b = Convert.ToDouble(DropDownList1.SelectedItem.Text); c = Convert.ToDouble(a * b); TextBox2.Text = c.ToString(); } } }
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nallya13y ago
have u deleted the same another thread ? to which i just replied
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