protected void displayItemByQuery(String s)
    {
        db_connection db_obj = new db_connection();

        db_obj.open();

        //**********************
        itemReport.ProcessingMode         = ProcessingMode.Local;
        itemReport.LocalReport.ReportPath = Server.MapPath("~/itemReport.rdlc");

        itemDataSet item_Dataset = new itemDataSet();

        SqlDataAdapter da = new SqlDataAdapter(s, db_obj.connection);
        DataTable      dt = new DataTable();

        da.Fill(item_Dataset, item_Dataset.Tables[0].TableName);

        dt = item_Dataset.Tables[0];
        //  //YouTube. 2016. crystal report,how to create crystal report in C# net using Dataset,visual studio - YouTube. [ONLINE] Available at: https://www.youtube.com/watch?v=uRICO1sZ3Hc. [Accessed 10 Nov 2017].

        ReportDataSource ReportDataSource = new ReportDataSource("item_services", item_Dataset.Tables[0]);

        this.itemReport.LocalReport.DataSources.Clear();
        this.itemReport.LocalReport.DataSources.Add(ReportDataSource);
        this.itemReport.LocalReport.Refresh();

        Generatereport(dt);

        //***

        // this.userReport.ReportRefresh();
        //************************

        db_obj.close();
    }
    protected void displayAllItem()
    {
        db_connection db_obj = new db_connection();

        db_obj.open();

        //**********************
        itemReport.ProcessingMode         = ProcessingMode.Local;
        itemReport.LocalReport.ReportPath = Server.MapPath("~/itemReport.rdlc");

        itemDataSet    item_Dataset = new itemDataSet();
        string         s            = "SELECT [item_id],[venue],[item_name],[description],[location_id],[available_time],[date],[status],[type],[added_by],[unit_price],[img] FROM [item_services];";
        SqlDataAdapter da           = new SqlDataAdapter(s, db_obj.connection);
        DataTable      dt           = new DataTable();

        da.Fill(item_Dataset, item_Dataset.Tables[0].TableName);

        dt = item_Dataset.Tables[0];
        //  //YouTube. 2016. crystal report,how to create crystal report in C# net using Dataset,visual studio - YouTube. [ONLINE] Available at: https://www.youtube.com/watch?v=uRICO1sZ3Hc. [Accessed 10 Nov 2017].

        ReportDataSource ReportDataSource = new ReportDataSource("item_services", item_Dataset.Tables[0]);

        this.itemReport.LocalReport.DataSources.Clear();
        this.itemReport.LocalReport.DataSources.Add(ReportDataSource);
        this.itemReport.LocalReport.Refresh();

        Generatereport(dt);

        //***

        // this.userReport.ReportRefresh();
        //************************

        db_obj.close();
    }