Extended: GridView When empty data is displayed on the table header

July 14, 2015 16:50:06 Gridview by default, if the data is empty, the table is not displayed and is not displayed visually.

To extend for this issue:

usingSystem.Web.UI.WebControls; Public Static classgridviewextension{ Public Static voidBindemptydata ( ThisGridView g) {        if(G.rows.count = =0)        {            //setting of the table headerGridViewRow row =NewGridViewRow (-1, -1, Datacontrolrowtype.emptydatarow, datacontrolrowstate.normal); foreach(DataControlField Fieldinchg.columns) {TableCell cell=NewTableCell (); Cell. Text=field.                HeaderText; Cell. Width=field.                Headerstyle.width; Cell. Height=field.                Headerstyle.height; Cell. ForeColor=field.                Headerstyle.forecolor; Cell. Font.Size=field.                HeaderStyle.Font.Size; Cell. Font.Bold=field.                HeaderStyle.Font.Bold; Cell. Font.Name=field.                HeaderStyle.Font.Name; Cell. Font.strikeout=field.                HeaderStyle.Font.Strikeout; Cell. Font.underline=field.                HeaderStyle.Font.Underline; Cell. BackColor=field.                Headerstyle.backcolor; Cell. VerticalAlign=field.                Headerstyle.verticalalign; Cell. HorizontalAlign=field.                Headerstyle.horizontalalign; Cell. CssClass=field.                Headerstyle.cssclass; Cell. BorderColor=field.                Headerstyle.bordercolor; Cell. BorderStyle=field.                Headerstyle.borderstyle; Cell. BorderWidth=field.                Headerstyle.borderwidth; Row.            Cells.add (cell); } TableItemStyle Headstyle=G.headerstyle; TableItemStyle Emptystyle=G.emptydatarowstyle; Emptystyle.width=Headstyle.width; Emptystyle.height=Headstyle.height; Emptystyle.forecolor=Headstyle.forecolor; EmptyStyle.Font.Size=headStyle.Font.Size; EmptyStyle.Font.Bold=HeadStyle.Font.Bold; EmptyStyle.Font.Name=HeadStyle.Font.Name; EmptyStyle.Font.Strikeout=headStyle.Font.Strikeout; EmptyStyle.Font.Underline=HeadStyle.Font.Underline; Emptystyle.backcolor=Headstyle.backcolor; Emptystyle.verticalalign=headstyle.verticalalign; Emptystyle.horizontalalign=headstyle.horizontalalign; Emptystyle.cssclass=Headstyle.cssclass; Emptystyle.bordercolor=Headstyle.bordercolor; Emptystyle.borderstyle=Headstyle.borderstyle; Emptystyle.borderwidth=Headstyle.borderwidth; //settings for blank linesGridViewRow Row1 =NewGridViewRow (0, -1, Datacontrolrowtype.emptydatarow, datacontrolrowstate.normal); TableCell Cell1=NewTableCell (); Cell1. Text="there is no data to display"; Cell1. ForeColor=System.Drawing.Color.Purple; Cell1. BackColor=System.Drawing.Color.White; Row1.            Cells.add (CELL1); Cell1. ColumnSpan=G.columns.count; if(G.controls.count = =0) {G.page.response.write ("<script language= ' javascript ' >alert (' call this extension method after first calling the GridView Binddata () Method! '); </script>"); }            Else{g.controls[0].                Controls.clear (); g.controls[0]. Controls.addat (0, Row); g.controls[0]. Controls.addat (1, Row1); }        }    }}

The code is called in the following way:

    protected void Page_Load (object  sender, EventArgs e)    {        if (!  IsPostBack)        {            binddata ();        }    }     protected void Binddata ()    {        this. Grid_plantvarietyright.databind ();          This . Grid_plantvarietyright.bindemptydata ();          }

Display effects such as

This extension of the main reference http://www.cnblogs.com/muer/archive/2010/03/26/1697178.html a little extension, thank the elder brother.

Extended: GridView When empty data is displayed on the table header