RadGrid with WCF Rest Service

Create WCF service.



IService1.cs

namespace WcfService1
{   
    [ServiceContract]
    public interface IService1
    {
        [OperationContract]
        [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.WrappedRequest, ResponseFormat = WebMessageFormat.Json)]
        ResultData GetData(int startRowIndex, int maximumRows, string sortExpression, string filterExpression);

        [OperationContract]
        [WebInvoke(Method = "POST", ResponseFormat = WebMessageFormat.Json)]
        bool SetParameter(string strYourParameter);
    }

    
    [DataContract]
    public class EmployeeInfo
    {
        [DataMember]
        public int EmployeeID
        {
            get;
            set;
        }

        [DataMember]
        public string EmployeeName
        {
            get;
            set;
        }
    }
}

Service1.svc.cs

namespace WcfService1
{
    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
    public class Service1 : IService1
    {
        public string SearchCriteria
        {
            set
            {
                System.Web.HttpContext.Current.Session["SearchCriteria"] = value;
            }
            get
            {
                if (System.Web.HttpContext.Current.Session["SearchCriteria"] != null)
                {
                    return Convert.ToString(System.Web.HttpContext.Current.Session["SearchCriteria"]);
                }
                else
                    return null;
            }
        }

        public ResultData GetData(int startRowIndex, int maximumRows, string sortExpression, string filterExpression)
        {
            ResultData result = new ResultData();
            result.Count = 0;
            if (this.SearchCriteria != null)
            {
                IQueryable<EmployeeInfo> yourdata = (from p in GenerateData(this.SearchCriteria)
                                                     select p).AsQueryable<EmployeeInfo>();

                GridLinqBindingData<EmployeeInfo> data = RadGrid.GetBindingData(yourdata, startRowIndex, maximumRows, sortExpression, filterExpression);

                result.Data = data.Data.OfType<EmployeeInfo>().Select(p => new EmployeeInfo()
                {
                    EmployeeID = p.EmployeeID,
                    EmployeeName = p.EmployeeName,
                }).ToList();
                result.Count = data.Count;
                return result;
            }
            return result;
        }

        public bool SetParameter(string strYourParameter)
        {
            if (!string.IsNullOrEmpty(strYourParameter))
            {
                this.SearchCriteria = strYourParameter; 
            }
            else
            {
                this.SearchCriteria = null;
            }
            return true;
        }

        protected List<EmployeeInfo> GenerateData(string parameter)
        {
            List<EmployeeInfo> empinfo = new List<EmployeeInfo>();

            for (int i = 0; i < 10; i++)
            {
                EmployeeInfo employeeInfo = new EmployeeInfo();
                employeeInfo.EmployeeID = i;
                employeeInfo.EmployeeName = parameter + i.ToString();
                empinfo.Add(employeeInfo);
            }

            for (int i = 10; i < 20; i++)
            {
                EmployeeInfo employeeInfo = new EmployeeInfo();
                employeeInfo.EmployeeID = i;
                employeeInfo.EmployeeName = parameter + i.ToString();
                empinfo.Add(employeeInfo);
            }

            for (int i = 20; i < 30; i++)
            {
                EmployeeInfo employeeInfo = new EmployeeInfo();
                employeeInfo.EmployeeID = i;
                employeeInfo.EmployeeName = parameter + i.ToString();
                empinfo.Add(employeeInfo);
            }

            return empinfo;
        }
    }

    public class ResultData
    {
        public int Count { get; set; }
        public List<EmployeeInfo> Data { get; set; }
    }

    public enum SortDirection
    {
        Ascending = 0,
        Descending = 1
    }

    public class GenericComparer<T> : IComparer<T>
    {
        public string SortExpression { get; set; }
        public int SortDirection { get; set; } // 0:Ascending, 1:Descending 

        public GenericComparer(string sortExpression, int sortDirection)
        {
            this.SortExpression = sortExpression;
            this.SortDirection = sortDirection;
        }
        public GenericComparer() { }

        #region IComparer<T> Members
        public int Compare(T x, T y)
        {
            PropertyInfo propertyInfo = typeof(T).GetProperty(SortExpression);
            IComparable obj1 = (IComparable)propertyInfo.GetValue(x, null);
            IComparable obj2 = (IComparable)propertyInfo.GetValue(y, null);

            if (obj1 == null || obj2 == null) return 0;

            if (SortDirection == 0)
            {
                return obj1.CompareTo(obj2);
            }
            else return obj2.CompareTo(obj1);
        }
        #endregion
    }
}

Web.config

<configuration>

 <system .web="">
  <compilation debug="true" targetframework="4.0">
 </compilation></system>
 <system .servicemodel="">
  <bindings>
   <webhttpbinding>
    <binding allowcookies="false" bypassproxyonlocal="false" closetimeout="00:35:00" crossdomainscriptaccessenabled="true" hostnamecomparisonmode="StrongWildcard" maxbufferpoolsize="2147483647" maxreceivedmessagesize="2147483647" name="RestServiceBinding" opentimeout="00:35:00" receivetimeout="00:35:00" sendtimeout="00:35:00" usedefaultwebproxy="true">
     <readerquotas maxarraylength="2147483647" maxbytesperread="2147483647" maxdepth="2147483647" maxnametablecharcount="2147483647" maxstringcontentlength="2147483647">
     <security mode="None">
    </security></readerquotas></binding>
   </webhttpbinding>
  </bindings>
  <behaviors>
   <endpointbehaviors>
    <behavior name="RestEndpointBehaviour">
     <webhttp automaticformatselectionenabled="false" defaultoutgoingresponseformat="Json" faultexceptionenabled="true" helpenabled="true">
    </webhttp></behavior>
   </endpointbehaviors>
   <servicebehaviors>
    <behavior name="CommonServiceBehaviour">
     <servicemetadata httpgetenabled="true">
     <servicedebug includeexceptiondetailinfaults="true">
    </servicedebug></servicemetadata></behavior>
   </servicebehaviors>
  </behaviors>
  <services>
   <service behaviorconfiguration="CommonServiceBehaviour" name="WcfService1.Service1">
    <endpoint address="" behaviorconfiguration="RestEndpointBehaviour" binding="webHttpBinding" bindingconfiguration="RestServiceBinding" contract="WcfService1.IService1"></endpoint>
   </service>
  </services>
  <servicehostingenvironment aspnetcompatibilityenabled="true">
 </servicehostingenvironment></system>
 <system .webserver="">
  <modules runallmanagedmodulesforallrequests="true">
 </modules></system>

</configuration>

RestServiceWithRadGrid.aspx

<head runat="server">
    <title></title>
    <script src="Scripts/jquery-1.6.2.min.js" type="text/javascript"></script>
    <telerik:radcodeblock id="RadCodeBlock1" runat="server">
        <script type="text/javascript">
            var UrlForsetParameter = 'http://localhost/WcfService1/Service1.svc/SetParameter';

            function Setserachparameter() {
                
                var RadTextBox1 = $find("<%= RadTextBox1.ClientID %>");
                var strYourParameter = RadTextBox1.get_value();
                jQuery.ajax({
                    type: "POST",
                    contentType: "application/json; charset=utf-8",
                    data: JSON.stringify(strYourParameter),
                    dataType: "json",
                    url: UrlForsetParameter,

                    success: function (Responce) {
                        var grid = $find("<%=RadGrid1.ClientID %>");
                        var MasterTable = grid.get_masterTableView();
                        MasterTable.rebind();
                    },
                    error: function (xhr, ajaxOptions, thrownError) {


                    }
                });

                return false;
            }

        </script>
    </telerik:radcodeblock>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        

        <telerik:radscriptmanager id="RadScriptManager1" runat="server">
        </telerik:radscriptmanager>
        <table>
<tr>
                <td>
                    Search Text
                </td>
                <td>
                    <telerik:radtextbox id="RadTextBox1" runat="server">
                    </telerik:radtextbox>
                </td>
            </tr>
<tr>
                <td colspan="2">
                    <asp:button id="Button1" onclientclick="Setserachparameter();" runat="server" text="Get Record">
                </asp:button></td>
            </tr>
</table>
<telerik:radgrid allowpaging="true" allowsorting="true" autogeneratecolumns="false" id="RadGrid1" runat="server">
            <pagerstyle alwaysvisible="true">
            <mastertableview>
                <columns>
                    <telerik:gridboundcolumn datafield="EmployeeID" headertext="EmployeeID" uniquename="EmployeeID">
                    </telerik:gridboundcolumn>
                    <telerik:gridboundcolumn datafield="EmployeeName" headertext="EmployeeName" uniquename="EmployeeName">
                    </telerik:gridboundcolumn>
                </columns>
            </mastertableview>
            <clientsettings>
                <databinding filterparametertype="Linq" location="http://localhost/WcfService1/Service1.svc" selectmethod="GetData" sortparametertype="Linq">
                </databinding>
            </clientsettings>
        </pagerstyle></telerik:radgrid>
    </div>
</form>
</body>
</html>

You can also check this(Client Binding to WCF Web Service) link for more information.

As per above link we can able to binding our RadGrid with WCF service. But in some case we have to use more parameters in method (GetDataAndCount()) At that time you can try with above code.

In this code i have take one session properties in at service level. On button click i have set parameter in service's session property. Then after i rebind my RadGrid, so it will called method(GetDataAndCount()) in this, by using session property first of all get the specific data from DB/Generate dummy data then apply grid's parameter in it.

You can also check output in below image.


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