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Murt

Murt

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calling webservice with parameter

May 3 2015 8:58 PM
Hi,
 
I am trying to call webservice method to get the string, but nothing happening, it wont display it in the label.
Can u help?? plz
 
 using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.Script.Serialization;
using System.Web.Script.Services;
using System.Web.Services;

namespace WebService
{
/// Summary description for Service1
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.

//[System.Web.Script.Services.ScriptService]
public class Service1 : System.Web.Services.WebService
{


[WebMethod]
public string GetCurrencyRate(string FromCurrencyCode, string ToCurrencyCode)
{

string Rate = "";

//Create connection
SqlConnection con = new SqlConnection(@"Data Source=Comp1;Initial Catalog=CurrencyExchange;Integrated Security=True;");
//Instantiate connection
SqlDataReader rdr = null;

try
{

con.Open();


SqlCommand cmd = new SqlCommand("spGetRate", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@FromCurrencyCode", SqlDbType.Char)).Value = FromCurrencyCode;
cmd.Parameters.Add(new SqlParameter("@ToCurrencyCode", SqlDbType.Char)).Value = ToCurrencyCode;

rdr = cmd.ExecuteReader();

while (rdr.Read())
{
Rate = rdr["Rate"].ToString();
}

//Close Connection
rdr.Close();
con.Close();

return Rate;

}

finally
{

if (rdr != null)
{
rdr.Close();
}

if (con != null)
{
con.Close();
}
}


}





using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebService
{
public partial class Dafault : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}

protected void Button1_Click(object sender, EventArgs e)
{

localhost.Service1 CallWebService = new localhost.Service1();

string sGetValue = CallWebService.GetCurrencyRate(ddlFromCurrency.SelectedItem.Text, ddlToCurrency.SelectedItem.Text);
lbDisplay.Text = sGetValue;

}
}
}



<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebService.Default" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>

</head>
<body>
<form id="form1" runat="server">

<div>

<asp:DropDownList ID="ddlFromCurrency" runat="server" DataSourceID="ObjectDataSource1" DataTextField="CurrencyName" DataValueField="CurrencyName">
</asp:DropDownList>

<asp:DropDownList ID="ddlToCurrency" runat="server" DataSourceID="ObjectDataSource1" DataTextField="CurrencyName" DataValueField="CurrencyName" Height="16px">
</asp:DropDownList>
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="LoadCurrency" TypeName="WebService.Service1"></asp:ObjectDataSource>
<br />
<br />
<br />

<br />
<br />

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
<br />
<br />
<asp:Label ID="lbDisplay" runat="server"</asp:Label>

<br />
<br />
<div id="output">
</div>
</div>
</form>
</body>
</html>

Answers (5)