SharePoint Development Blog

protected override void CreateChildControls()
{
  listView = new ListView();
  SPList list = SPContext.Current.Web.Lists["MyListName"];
  listView.ListId = list.ID.ToString();
  listView.ViewId = list.DefaultView.ID.ToString();  
  Controls.Add(listView);
}

protected override void Render(HtmlTextWriter writer)
{
  listView.RenderControl(writer);
}
[/code]

<script src="http://maps.google.com/maps?file=api&v=1&key=YOURKEY" type="text/javascript"></script>
<div id="map" style="width: 400px;height:300px"></div>
<script type="text/javascript">
var map = new GMap(document.getElementById("map"));
map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());
map.setCenter(new GLatLng( 51.03275840574761, 5.81451416015625), 9);
map.setMapType(G_NORMAL_MAP);
// You can use your favourite Map properties (like markers)  
</script> 

[/code]

        /// <summary>
        /// Create a Publishing page based on an excisting Page Layout
        /// Remember that a SPSite is a top-level site (collection) and
        /// a SPWeb is the current site
        /// </summary>
        /// <param name="site">Current Site</param>
        /// <param name="pageName">Name of the new page to create including .aspx</param>
        /// <param name="pageLayoutName">Name of the Page Layout</param>
        private void CreatePublishingPage(SPWeb site, string pageName, string pageLayoutName)
        {
            PublishingSite pubSiteCollection = new PublishingSite(site.Site);
            PublishingWeb pubSite = null;
            if (pubSiteCollection != null)
            {               
                // Assign an object to the pubSite variable
                if (PublishingWeb.IsPublishingWeb(site))
                {
                    pubSite = PublishingWeb.GetPublishingWeb(site);
                }
            }
            // Search for the page layout for creating the new page
            PageLayout currentPageLayout = FindPageLayout(pubSiteCollection, pageLayoutName);
            // Check or the Page Layout could be found in the collection
            // if not (== null, return because the page has to be based on
            // an excisting Page Layout
            if (currentPageLayout == null)
            {
                return;
            }           
            PublishingPageCollection pages = pubSite.GetPublishingPages();
            PublishingPage newPage = pages.Add(pageName, currentPageLayout);
            newPage.Description = pageName.Replace(".aspx", "");
            // Here you can set some properties like:
            newPage.IncludeInCurrentNavigation = true;
            newPage.IncludeInGlobalNavigation = true;
            // End of setting properties
            SPFile publishFile = newPage.ListItem.File;
            publishFile.Update();

            newPage.Update();
            // Check the file in (a major version)
            publishFile.CheckIn("Initial", SPCheckinType.MajorCheckIn);
            publishFile.Publish("Initial");

            // In case of content approval, approve the file
            if (pubSite.PagesList.EnableModeration)
            {
                publishFile.Approve("Initial");
            }
        }

        /// <summary>
        /// Find a page layout in the layoutcollection based on the templatename
        /// </summary>
        /// <param name="pubSiteCollection">The toplevel publishing site</param>
        /// <param name="templateName">Name of the pagelayout</param>
        /// <returns>Pagelayout if excists or null</returns>
        private PageLayout FindPageLayout(PublishingSite pubSiteCollection, string templateName)
        {
            PageLayoutCollection plCollection = pubSiteCollection.GetPageLayouts(true);
            foreach (Microsoft.SharePoint.Publishing.PageLayout layout in plCollection)
            {
                // String Comparison based on the Page Layout Name
                if (layout.Name.Equals(templateName, StringComparison.InvariantCultureIgnoreCase))
                {
                    return layout;
                }
            }
            return null;
        }

[/code]

// Option 1) Inside SharePoint
SPSite siteCollection = SPContext.Current.Site;
SPWeb site = SPContext.Current.Web;

// Option 2) From an external tool
SPSite siteCollection = new SPSite("http://myurl");
SPWeb site = siteCollection.RootWeb;

// Get a ListCollection from the current site
SPListCollection lists = site.Lists;

// Add a custom List to the SharePoint site
lists.Add("Employee", "List containing employees", SPListTemplateType.GenericList);
// Put the new list in a variable
SPList employeeList = lists["Employee"];
// Get the out of the box fields (Title, Attachment etc)
SPFieldCollection fields = employeeList.Fields;
// Change the default title column           
SPField field = fields["Title"];
field.Title = "Name";
// Don't forget the update to commit changes
field.Update();   

// Add a new field
SPField fieldAdd = fields[fields.Add("Address", SPFieldType.Text, true)];

SPView view = employeeList.DefaultView;
SPViewFieldCollection viewFields = view.ViewFields;

// Add the field to the defaultview (all items)
viewFields.Add(fieldAdd);

view.Update();

// Add a record to the new list
SPListItem item = employeeList.Items.Add();
item["Name"] = "Name of the Employee";
item["Address"] = "Address of the employee";

item.Update();

[/code]

        private SPGridView grid;
        private SPList dataList;
        private DataTable dt;

        private void PopulateDataList()
        {
            dataList = SPContext.Current.Web.Lists["MyList"];
            dt = new DataTable();
            DataColumn dc = new DataColumn("MyDataColumn");
            dt.Columns.Add(dc);
            dt.Columns.Add("Column1");
            dt.Columns.Add("Column2");
           

                foreach (SPItem item in dataList.Items)
                {                   
                        DataRow dr = dt.NewRow();
                        if (item[Column1"] != null)
                            dr["Column1"] = item["Column1"].ToString();
                        else
                            dr["Column1"] = "";
                        if (item["Column2"] != null)
                            dr["Column2"] = item["Column2"].ToString();
                        else
                            dr["Column2"] = "";
                      
                        dt.Rows.Add(dr);
                  }
        }

        

        private void CreateGrid()
        {
            try
            {
                SPMenuField colMenu = new SPMenuField();
                colMenu.HeaderText = "MyList";
                colMenu.TextFields = "MyList";
                colMenu.MenuTemplateId = "ItemListMenu";

                colMenu.NavigateUrlFields = "ID";
               

                colMenu.NavigateUrlFormat = Context.Request.Url.ToString() + "?ItemID={0}";
                colMenu.TokenNameAndValueFields = "EDIT=ID";
                colMenu.SortExpression = "MyList";

                MenuTemplate itemListMenu = new MenuTemplate();
                itemListMenu.ID = "ItemListMenu";
                MenuItemTemplate menu = new MenuItemTemplate(
                    "Edit Item", "/_layouts/images/EDIT.gif");
                menu.ClientOnClickNavigateUrl = "do.aspx?this=%EDIT%&that=%NAME%";
               
                itemListMenu.Controls.Add(menu);

                this.Controls.Add(itemListMenu);
                grid.Columns.Add(colMenu);

                BoundField boundField1 = new BoundField();
                colWorkflowStatus.DataField = "Column1";
                colWorkflowStatus.HeaderText = "Column1";
                this.grid.Columns.Add(boundField1 );

                BoundField boundField1 = new BoundField();
                colRequestType.DataField = "Column2";
                colRequestType.HeaderText = "Column2";
                this.grid.Columns.Add(boundField1);
               
            }
            catch (Exception ex)
            {
                // handle exception
            }
        }
      

        private void RenderGrid(HtmlTextWriter writer)
        {
            try
            {

                grid.RenderControl(writer);
            }
            catch (Exception ex)
            {
                // handle exception
            }
        }

        protected override void CreateChildControls()
        {
            PopulateDataList();
            this.grid = new SPGridView();        


            this.grid.DataSource = dt;
            this.grid.AutoGenerateColumns = false;


            //Create the SP Gridview containing items
            CreateGrid();

            this.Controls.Add(grid);
            this.grid.DataBind();
        }

        protected override void Render(HtmlTextWriter writer)
        {
            try
            {
                RenderGrid(writer);
            }
            catch (Exception ex)
            {
                // handle exception
            }
        }
    }
}
 

[/code]

public UserControlWebPart()
{
}

protected override void CreateChildControls()
{
    try
    {
        usercontrol = (UserControl)Page.LoadControl(@"/_controltemplates/usercontrols/MyUserControl.ascx");
        this.Controls.Add(usercontrol);
        if (usercontrol != null)
        {
            button = (Button)usercontrol.FindControl("Button1");
            button.Click += new EventHandler(button_Click);
            label = (Label)usercontrol.FindControl("Label1");
            textbox = (TextBox)usercontrol.FindControl("TextBox1");
        }
    }
    catch (Exception ex)
    {
        EventLog.WriteEntry("WebParts", "Custom WebPart" + ex.ToString());              
    }
}

void button_Click(object sender, EventArgs e)
{
    label.Text = textbox.Text;
}