Exemple : code du composant WebPart de recherche de contenu d'entreprise personnalisée

Voici le code complet de l'exemple clsSearchQuery.cs, décrit dans Procédure pas à pas : création d'un composant WebPart de recherche de contenu d'entreprise personnalisé.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Xml;
using System.Xml.Serialization;
using System.Data;
using Microsoft.SharePoint.WebPartPages;
using Microsoft.Office.Server;
using Microsoft.Office.Server.Search.Query;


namespace CustomSearchWebPart
{
    
    [ToolboxData("<{0}:clsSearchQuery runat=server></{0}:clsSearchQuery>")]
    [XmlRoot(Namespace = "CustomSearchWebPart")]
    public class clsSearchQuery : WebPart
    {
        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("")]
        [Localizable(true)]

        Button cmdSearch;
        TextBox txtQueryText;
        Label lblQueryResult;
        DataGrid grdResults;

        protected override void CreateChildControls()
        {
            Controls.Clear();
            txtQueryText = new TextBox();
            this.Controls.Add(txtQueryText);
            cmdSearch = new Button();
            cmdSearch.Text = "Start Search";
            cmdSearch.Click += new EventHandler(cmdSearch_Click);
            this.Controls.Add(cmdSearch);
            lblQueryResult = new Label();
            this.Controls.Add(lblQueryResult);
 
        }

        void cmdSearch_Click(object sender, EventArgs e)
        {
            if (txtQueryText.Text != string.Empty)
            {
                keywordQueryExecute(txtQueryText.Text);

            }
            else
            {
                lblQueryResult.Text = "You must enter a search word.";
            }
            
        }


        //Execute Keyword Query
     private void keywordQueryExecute(string strQueryText)
        {
            KeywordQuery kRequest = new KeywordQuery(ServerContext.Current);
            string strQuery = "author:" + strQueryText;
            kRequest.QueryText = strQuery;
            //to return relevant results
            kRequest.ResultTypes |= ResultType.RelevantResults;
            ResultTableCollection resultTbls = kRequest.Execute();
            if ((int)ResultType.RelevantResults != 0)
            {
                ResultTable tblResult = resultTbls [ResultType.RelevantResults];
                if (tblResult.TotalRows == 0)
                {
                  lblQueryResult.Text = "No Search Results Returned.";
                }
                else
                {
                    ReadResultTable(tblResult);
                }

            }
  }

void ReadResultTable(ResultTable rt)
        {
            DataTable relResultsTbl = new DataTable();
            relResultsTbl.TableName = "Relevant Results";
            DataSet ds = new DataSet("resultsset");
            ds.Tables.Add(relResultsTbl);
            ds.Load(rt,LoadOption.OverwriteChanges,relResultsTbl);
            fillResultsGrid(ds);
        }

        private void fillResultsGrid(DataSet grdDs)
        {
//Instantiate the DataGrid, and set the DataSource
            grdResults = new DataGrid();
            grdResults.DataSource = grdDs;

//Set the display properties for the DataGrid
            grdResults.GridLines = GridLines.None;
            grdResults.CellPadding = 4;
            grdResults.Width = Unit.Percentage(100);
            grdResults.ItemStyle.ForeColor = Color.Black;
            grdResults.ItemStyle.BackColor = Color.AliceBlue;
            grdResults.ItemStyle.Font.Size = FontUnit.Smaller;
            grdResults.ItemStyle.Font.Name = "Tahoma";
            grdResults.HeaderStyle.BackColor = Color.Navy;
            grdResults.HeaderStyle.ForeColor = Color.White;
            grdResults.HeaderStyle.Font.Bold = true;
            grdResults.HeaderStyle.Font.Name = "Tahoma";
            grdResults.HeaderStyle.Font.Size = FontUnit.Medium;

/*Turn off AutoGenerate for the columns, so the DataGrid
doesn't automatically bind to all of the columns
in the search results set.
Then create and configure only the columns you want to
 include in the DataGrid.
*/
            grdResults.AutoGenerateColumns = false;
            HyperLinkColumn colTitle = new HyperLinkColumn();
            colTitle.DataTextField = "Title";
            colTitle.HeaderText = "Title";
            colTitle.DataNavigateUrlField = "Path";
            grdResults.Columns.Add(colTitle);
            BoundColumn colAuthor = new BoundColumn();
            colAuthor.DataField = "Author";
            colAuthor.HeaderText = "Author";
            grdResults.Columns.Add(colAuthor);

//Bind the data to the DataGrid
            grdResults.DataBind();
//Add the DataGrid to the controls
            Controls.Add(grdResults);
        }
    }
}

Voir aussi

Autres ressources

Mise en route avec les composants WebPart de recherche de contenu d'entreprise personnalisé