how to make crystal report (by paramters)

STORED PROCEDURE FOR GET RECORDS BASED ON TWO DATES:
EX:
USE [140912FINALISERVICE]
GO
/****** Object:  StoredProcedure [dbo].[SpDispatchDateReport]    Script Date: 09/15/2012 16:59:35 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[SpDispatchDateReport]
(
@FromDate datetime=null,
@ToDate datetime=null,
@Mode varchar(50)=null
)
as
begin
IF(@Mode ='DATEREPORT')
BEGIN
select i.InSlNo as[Inward SL.No],t.BillNo as[Bill No],t.Name as[Customer Name],t.Description,t.Status,t.Price,t.DispatchType,t.DispatchDate from TblDispatchItemDetails t
inner join TblInward i on i.Id =t.InwardSerialNumber where t.DispatchDate BETWEEN @FromDate AND @ToDate
END
end<code></code>

PASS PARAMETER IN CRYSTAL REPORT VIEWER LOAD EVENT
    private void crystalReportViewer1_Load(object sender, EventArgs e)
        {
            try
            {
            Thread.CurrentThread.CurrentCulture = new CultureInfo("en-GB");
            LoadXMLDetails();
            ReportDocument rpt = new ReportDocument();
            ParameterFields pFields = new ParameterFields();

            ParameterField pField1 = new ParameterField();
            ParameterDiscreteValue pValue1 = new ParameterDiscreteValue();
            pField1.Name = "@Mode";
            pValue1.Value = "DATEREPORT";
            pField1.CurrentValues.Add(pValue1);
            pFields.Add(pField1);


            ParameterField pField2 = new ParameterField();
            ParameterDiscreteValue pValue2 = new ParameterDiscreteValue();
            pField2.Name = "@FromDate";
            pValue2.Value = FromDt;
            pField2.CurrentValues.Add(pValue2);
            pFields.Add(pField2);

            ParameterField pField3 = new ParameterField();
            ParameterDiscreteValue pValue3 = new ParameterDiscreteValue();
            pField3.Name = "@ToDate";
            pValue3.Value = ToDt;
            pField3.CurrentValues.Add(pValue3);
            pFields.Add(pField3);

            ParameterField pField4 = new ParameterField();
            ParameterDiscreteValue pValue4 = new ParameterDiscreteValue();
            pField4.Name = "sent";
            pValue4.Value = Sent;
            pField4.CurrentValues.Add(pValue4);
            pFields.Add(pField4);

            ParameterField pField5 = new ParameterField();
            ParameterDiscreteValue pValue5 = new ParameterDiscreteValue();
            pField5.Name = "unsent";
            pValue5.Value = UnSent;
            pField5.CurrentValues.Add(pValue5);
            pFields.Add(pField5);

            ParameterField pField6 = new ParameterField();
            ParameterDiscreteValue pValue6 = new ParameterDiscreteValue();
            pField6.Name = "serviced";
            pValue6.Value = Ser;
            pField6.CurrentValues.Add(pValue6);
            pFields.Add(pField6);

            ParameterField pField8 = new ParameterField();
            ParameterDiscreteValue pValue8 = new ParameterDiscreteValue();
            pField8.Name = "beyondserviced";
            pValue8.Value = Be_Ser;
            pField8.CurrentValues.Add(pValue8);
            pFields.Add(pField8);

            ParameterField pField9 = new ParameterField();
            ParameterDiscreteValue pValue9 = new ParameterDiscreteValue();
            pField9.Name = "return";
            pValue9.Value = Ret;
            pField9.CurrentValues.Add(pValue9);
            pFields.Add(pField9);

            ParameterField pField10 = new ParameterField();
            ParameterDiscreteValue pValue10 = new ParameterDiscreteValue();
            pField10.Name = "waiting";
            pValue10.Value = Cust_App;
            pField10.CurrentValues.Add(pValue10);
            pFields.Add(pField10);

            ParameterField pField11 = new ParameterField();
            ParameterDiscreteValue pValue11 = new ParameterDiscreteValue();
            pField11.Name = "progressed";
            pValue11.Value = Pro;
            pField11.CurrentValues.Add(pValue11);
            pFields.Add(pField11);

            
                crystalReportViewer1.ParameterFieldInfo = pFields;
                string filename = Application.StartupPath + "\\REPORTS\\DispatchDateReport.rpt";
                rpt.Load(filename);
                CrystalDecisions.Shared.TableLogOnInfo crLogonInfo = rpt.Database.Tables[0].LogOnInfo;
                string fileName = "ServerInfo.xml";
                string filePath = Application.StartupPath + "\\" + fileName;
                if (File.Exists(filePath))
                {
                    XmlDocument doc = new XmlDocument();
                    doc.Load(filePath);
                    XmlNodeList xnList = doc.SelectNodes("ServerInformation");
                    foreach (XmlNode xn in xnList)
                    {
                        if (xn["authentication"].InnerText == "false")
                        {
                            crLogonInfo.ConnectionInfo.IntegratedSecurity = true;
                            crLogonInfo.ConnectionInfo.ServerName = xn["Sever"].InnerText;
                            crLogonInfo.ConnectionInfo.DatabaseName = xn["Database"].InnerText;
                            crLogonInfo.ConnectionInfo.UserID = string.Empty;
                            crLogonInfo.ConnectionInfo.Password = string.Empty;
                            rpt.Database.Tables[0].ApplyLogOnInfo(crLogonInfo);
                            rpt.SetDatabaseLogon("", "", crLogonInfo.ConnectionInfo.ServerName, crLogonInfo.ConnectionInfo.DatabaseName);
                        }
                        else if (xn["authentication"].InnerText == "true")
                        {
                            crLogonInfo.ConnectionInfo.IntegratedSecurity = false;
                            crLogonInfo.ConnectionInfo.ServerName = xn["Sever"].InnerText;
                            crLogonInfo.ConnectionInfo.DatabaseName = xn["Database"].InnerText;
                            crLogonInfo.ConnectionInfo.UserID = xn["user"].InnerText;
                            crLogonInfo.ConnectionInfo.Password = xn["pwd"].InnerText;
                            rpt.Database.Tables[0].ApplyLogOnInfo(crLogonInfo);
                            rpt.SetDatabaseLogon(crLogonInfo.ConnectionInfo.UserID, crLogonInfo.ConnectionInfo.Password, crLogonInfo.ConnectionInfo.ServerName, crLogonInfo.ConnectionInfo.DatabaseName);
                        }

                        crystalReportViewer1.ReportSource = rpt;
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, MessageBoxTile, MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
            }

        }<pre lang="text">
HERE I WAS USED XmlDocument FOR REASON IS SQL SERVER DATABASE CONNECTION