|
|
<html><head><link rel=stylesheet href=style.css></head><body><div class=SourcePanel style='font-size:12'><pre style='background-color:white'>
<font color= "blue">using</font> System;
<font color= "blue">using</font> System.Web.UI.WebControls;
<font color= "blue">using</font> ASPNET.StarterKit.Reports.Components;
<font color= "blue"></font>
<font color= "blue">namespace</font> ASPNET.StarterKit.Reports
<font color= "blue"></font>{
<font color= "green"> //*********************************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // SimpleReport.aspx</font>
<font color= "green"> //</font>
<font color= "green"> // This report lists all customer contacts information from the database</font>
<font color= "green"> // in a DataGrid control</font>
<font color= "green"> //</font>
<font color= "green"> //*********************************************************************</font>
<font color= "blue"></font>
<font color= "blue"> public class</font> Simple : System.Web.UI.Page
<font color= "blue"> </font>{
<font color= "blue"> protected </font>System.Web.UI.WebControls.DataGrid CustomerGrid;
<font color= "blue"> protected </font>System.Web.UI.WebControls.HyperLink PrintButton;
<font color= "blue"> protected </font>System.Web.UI.WebControls.LinkButton PagingButton;
<font color= "blue"> protected </font>string _styleSheet;
<font color= "blue"> </font>
<font color= "blue"> private void</font> Page_Load(object sender, System.EventArgs e)
<font color= "blue"> </font>{
<font color= "blue"></font><font color= "blue"> if </font>(!IsPostBack)<font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "blue"> </font>BindGrid();
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "green"> // switches the style sheet based on printer friendly view or not</font>
<font color= "blue"></font><font color= "blue"> if </font>(Request.QueryString["Print"]=="true")<font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "blue"> </font>_styleSheet = "stylesPrint.css";
<font color= "blue"> </font>PrintButton.Visible = true;
<font color= "blue"> </font>PagingButton.Visible = true;
<font color= "blue"> </font>}
<font color= "blue"></font><font color= "blue"> else </font><font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "blue"> </font>_styleSheet = "styles.css";
<font color= "blue"> </font>}
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "blue"> </font>#region Web Form Designer generated code
<font color= "blue"> </font>override protected void OnInit(EventArgs e)
<font color= "blue"> </font>{
<font color= "green"> //</font>
<font color= "green"> // CODEGEN: This call is required by the ASP.NET Web Form Designer.</font>
<font color= "green"> //</font>
<font color= "blue"> </font>InitializeComponent();
<font color= "blue"> </font>base.OnInit(e);
<font color= "blue"> </font>}
<font color= "blue"> </font>
<font color= "green"> /// <summary></font>
<font color= "green"> /// Required method for Designer support - do not modify</font>
<font color= "green"> /// the contents of this method with the code editor.</font>
<font color= "green"> /// </summary></font>
<font color= "blue"> private void</font> InitializeComponent()
<font color= "blue"> </font>{
<font color= "blue"> </font>this.CustomerGrid.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.CustomerGrid_PageIndexChanged);
<font color= "blue"> </font>this.CustomerGrid.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.CustomerGrid_Sort);
<font color= "blue"> </font>this.PagingButton.Click += new System.EventHandler(this.pagingButton_Click);
<font color= "blue"> </font>this.ID = "Simple";
<font color= "blue"> </font>this.Load += new System.EventHandler(this.Page_Load);
<font color= "blue"></font>
<font color= "blue"> </font>}
<font color= "blue"> </font>#endregion
<font color= "blue"></font>
<font color= "green"> //*********************************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // The BindGrid method retrieves a collection of simple report items</font>
<font color= "green"> // and databinds it to the CustomerGrid</font>
<font color= "green"> //</font>
<font color= "green"> //*********************************************************************</font>
<font color= "blue"></font>
<font color= "blue"> private void</font> BindGrid()
<font color= "blue"> </font>{
<font color= "blue"> </font>SimpleReportCollection customerList = SimpleReport.GetCustomerContacts();
<font color= "blue"> </font>SortGridData(customerList, SortField, SortAscending);
<font color= "blue"> </font>CustomerGrid.DataSource = customerList;
<font color= "blue"> </font>CustomerGrid.DataBind();
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "green"> //*********************************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // The SortGrid event handler changes the sortfield for the Customer grid </font>
<font color= "green"> // and re-binds it.</font>
<font color= "green"> //</font>
<font color= "green"> //*********************************************************************</font>
<font color= "blue"></font>
<font color= "blue"> private void</font> CustomerGrid_Sort(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
<font color= "blue"> </font>{
<font color= "green"> // change sort field</font>
<font color= "blue"> </font>SortField = (string)e.SortExpression;
<font color= "blue"></font>
<font color= "green"> // re-bind to display new sorting</font>
<font color= "blue"> </font>BindGrid();
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "green"> //*******************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // SortGridData methods sorts the datagrid based on which</font>
<font color= "green"> // sort field is being selected. Also does reverse sorting based on the boolean.</font>
<font color= "green"> //</font>
<font color= "green"> //*******************************************************</font>
<font color= "blue"></font>
<font color= "blue"> private void</font> SortGridData(SimpleReportCollection list, string sortField, bool asc)
<font color= "blue"> </font>{
<font color= "blue"> </font>SimpleReportCollection.SimpleReportFields sortCol = SimpleReportCollection.SimpleReportFields.InitValue;
<font color= "blue"></font>
<font color= "blue"> </font>switch(sortField)
<font color= "blue"> </font>{
<font color= "blue"> case</font> "City":
<font color= "blue"> </font>sortCol = SimpleReportCollection.SimpleReportFields.City;
<font color= "blue"> </font>break;
<font color= "blue"> case</font> "CompanyName":
<font color= "blue"> </font>sortCol = SimpleReportCollection.SimpleReportFields.CompanyName;
<font color= "blue"> </font>break;
<font color= "blue"> case</font> "ContactName":
<font color= "blue"> </font>sortCol = SimpleReportCollection.SimpleReportFields.ContactName;
<font color= "blue"> </font>break;
<font color= "blue"> case</font> "ContactTitle":
<font color= "blue"> </font>sortCol = SimpleReportCollection.SimpleReportFields.ContactTitle;
<font color= "blue"> </font>break;
<font color= "blue"> case</font> "Phone":
<font color= "blue"> </font>sortCol = SimpleReportCollection.SimpleReportFields.Phone;
<font color= "blue"> </font>break;
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "blue"> </font>list.Sort(sortCol, asc);
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "green"> //*******************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // CustomerGrid_PageIndexChanged server event handler on this page is used</font>
<font color= "green"> // for changing page index</font>
<font color= "green"> //</font>
<font color= "green"> //*******************************************************</font>
<font color= "blue"></font>
<font color= "blue"> private void</font> CustomerGrid_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
<font color= "blue"> </font>{
<font color= "blue"> </font>CustomerGrid.CurrentPageIndex = e.NewPageIndex;
<font color= "blue"> </font>BindGrid();
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "green"> //*******************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // pagingButton_Click server event handler on this page is used</font>
<font color= "green"> // for changing paging property on CustomerGrid</font>
<font color= "green"> //</font>
<font color= "green"> //*******************************************************</font>
<font color= "blue"> private void</font> pagingButton_Click(object sender, System.EventArgs e)
<font color= "blue"> </font>{
<font color= "blue"> </font>CustomerGrid.AllowPaging = !CustomerGrid.AllowPaging;
<font color= "blue"> </font>BindGrid();
<font color= "blue"></font>
<font color= "blue"> </font>PagingButton.Text = CustomerGrid.AllowPaging ? "Disable Paging" : "Enable Paging";
<font color= "blue"> </font>}
<font color= "blue"></font>
<font color= "blue"> </font>string SortField
<font color= "blue"> </font>{
<font color= "blue"> get</font>
<font color= "blue"> </font>{
<font color= "blue"> </font>object o = ViewState["SortField"];
<font color= "blue"></font><font color= "blue"> if </font>(o == null) <font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "blue"> return</font> String.Empty;
<font color= "blue"> </font>}
<font color= "blue"> return</font> (string)o;
<font color= "blue"> </font>}
<font color= "blue"> set</font>
<font color= "blue"> </font>{
<font color= "blue"></font><font color= "blue"> if </font>(value == SortField) <font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "green"> // same as current sort file, toggle sort direction</font>
<font color= "blue"> </font>SortAscending = !SortAscending;
<font color= "blue"> </font>}
<font color= "blue"> </font>ViewState["SortField"] = value;
<font color= "blue"> </font>}
<font color= "blue"> </font>}
<font color= "blue"> </font>
<font color= "green"> //*********************************************************************</font>
<font color= "green"> //</font>
<font color= "green"> // SortAscending property is tracked in ViewState</font>
<font color= "green"> //</font>
<font color= "green"> //*********************************************************************</font>
<font color= "blue"></font>
<font color= "blue"> </font>bool SortAscending
<font color= "blue"> </font>{
<font color= "blue"> get</font>
<font color= "blue"> </font>{
<font color= "blue"> </font>object o = ViewState["SortAscending"];
<font color= "blue"></font>
<font color= "blue"></font><font color= "blue"> if </font>(o == null) <font color= "blue"></font>
<font color= "blue"> </font>{
<font color= "blue"> return</font> true;
<font color= "blue"> </font>}
<font color= "blue"> return</font> (bool)o;
<font color= "blue"> </font>}
<font color= "blue"> set</font>
<font color= "blue"> </font>{
<font color= "blue"> </font>ViewState["SortAscending"] = value;
<font color= "blue"> </font>}
<font color= "blue"> </font>}
<font color= "blue"> </font>
<font color= "blue"> </font>}
<font color= "blue"></font>}
</pre>
|
By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.
If a file you wish to view isn't highlighted, and is a text file (not binary), please
let us know and we'll add colourisation support for it.
This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.
A list of licenses authors might use can be found here
Submit an article or tip