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selvi subramanian

selvi subramanian

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i entered the sales return the balance is never change .

Apr 30 2014 5:11 AM
if i entered the sales return the balance is never change please refer my code in (Button1_Click) and desing.
if i click the to return i need to add balance + return its cuming but in that label it show as 9
balance is9 + return is 1=10 in label6 it show as 9 please check this error 
my design
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="purchasereturn.aspx.cs" Inherits="purchasereturn" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<style type="text/css">
.style1
{
width: 100%;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<table class="style1">
<tr>
<td>
<asp:Label ID="Label1" runat="server" Text="barcode"></asp:Label>
</td>
<td>
<%--<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>--%>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
onselectedindexchanged="DropDownList1_SelectedIndexChanged" Width="120px">
<asp:ListItem>--select--</asp:ListItem>
<asp:ListItem>1000</asp:ListItem>
<asp:ListItem>1001</asp:ListItem>
<asp:ListItem>1002</asp:ListItem>
<asp:ListItem>1003</asp:ListItem>
</asp:DropDownList> &nbsp;</td>
</tr>
<tr>
<td>
<asp:Label ID="Label2" runat="server" Text="goods" Visible="false"></asp:Label>
</td>
<td>
<asp:TextBox ID="TextBox2" runat="server" Visible="false"></asp:TextBox> &nbsp;</td>
</tr>
<tr>
<td>
<asp:Label ID="Label3" runat="server" Text="sales" Visible="false"></asp:Label>
</td>
<td>
<asp:TextBox ID="TextBox3" runat="server" Visible="false"></asp:TextBox> &nbsp;</td>
</tr>
<tr>
<td>
<asp:Label ID="Label4" runat="server" Text="balance" Visible="true"></asp:Label>
</td>
<td>
<asp:TextBox ID="TextBox4" runat="server" Visible="true"></asp:TextBox>&nbsp;
<asp:Label ID="Label6" runat="server" Visible="true"></asp:Label>
</td>
</tr>
<tr>
<td>
<asp:Label ID="Label5" runat="server" Text="salesreturn"></asp:Label>
</td>
<td>
<asp:TextBox ID="TextBox5" runat="server" AutoPostBack="True"
ontextchanged="TextBox5_TextChanged"></asp:TextBox> &nbsp;</td>
</tr>
<tr>
<td>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
</td>
<td>
&nbsp;</td>
</tr>
</table>
</div>
</form>
</body>
</html>
my coding
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;
using System.Data.SqlClient;
public partial class purchasereturn : System.Web.UI.Page
{
SqlConnection con;
SqlDataAdapter sda;
protected void Page_Load(object sender, EventArgs e)
{
con=new SqlConnection("Data Source=SELVI-PC\\SQLEXPRESS;Initial Catalog=demo;Persist Security Info=True;Integrated Security=True");
//sda = new SqlDataAdapter("select balance from purchase where barcode=" + DropDownList1.SelectedItem.Text.ToString(), con);
}
protected void Button1_Click(object sender, EventArgs e)
{
Session["balance"]= TextBox4.Text;
try
{
if (TextBox5.Text != "")
{
TextBox4.Text = (Convert.ToInt32(TextBox4.Text) + Convert.ToInt32(TextBox5.Text)).ToString();
Label6.Text = "Our Balnce stock is" + (Session["balance"].ToString());
// DataSet ds = new DataSet();
//sda = new SqlDataAdapter("select balance from purchase where barcode=" + DropDownList1.SelectedItem.Text.ToString(), con);
//sda.Fill(ds);
//// Session["balance"] = TextBox4.Text;
// TextBox4.Text = ds.Tables[0].Rows[0]["balance"].ToString();
//Label6.Text = "Our Balnceis" + ds.Tables[0].Rows[0]["balance"].ToString();
//Label6.Text = "our bal is" + TextBox4.Text.ToString();
}
else if(TextBox5.Text=="")
{
Label6.Text = "Our Balnce stock is"+ (Session["balance"].ToString());
}
}
catch
{
}
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
if (DropDownList1.SelectedIndex > 0)
{
DataSet ds = new DataSet();
try
{
con.Open();
sda = new SqlDataAdapter("select balance from purchase where barcode=" + DropDownList1.SelectedItem.Text.ToString(), con);
sda.Fill(ds);
TextBox4.Text = ds.Tables[0].Rows[0]["balance"].ToString();
}
catch
{
}
}
}
protected void TextBox5_TextChanged(object sender, EventArgs e)
{
if (TextBox5.Text!= "")
{
Label6.Text = "Our Balnce stock is" + (Session["balance"].ToString());
}
else
{
}
}
}

Answers (1)