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Scrollable Gridview with Freeze header and sort image.

, 14 May 2008
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this is an easy way to get Freeze GridView header and add image sort. And it works on IE,Firefox and Others. work inside and outside of updatepanel.

AntonioSuarez_gridview_ff.JPGAntonioSuarez_gridview_ie.JPG

Introduction

I was searching for a way to get a scrollable Gridview with a freeze header and I found different ways to do it, but most of them use CSS or JavaScript. What I want to find was a way to do it in the code file. (.CS or .VB)

Here I would try to explain how it could be done with code. (.CS)

Using the Code

You just need to add a Panel control then add a Table and Gridview control inside of Panel control.

in the .CS file you need to add this code:

AddSortDirectionImage Function

 
    /// summary
    ///   Email: Antonio.Suarez@GrupoKino.com
    ///Web Page: http://www.grupoKino.com    
    /// [Español]Funcion que agrega una imagen a la columna ordenada de un gridView 
    /// [English]Function that adds a image to the sorted column.
    /// summary
    /// param name="gridviewID"
    /// [Español]Gridview al cual se le agregara la imagen 
    /// [English]GridView to add sort image
    /// param
    /// param name="itemRow"
    /// [Español]Renglon del gridview al cual se le agrega la imagen 
    /// [English]Row of gridview to add sort image
    /// param

    public void AddSortDirectionImage(GridView gridviewID, GridViewRow itemRow)
    {
        if (gridviewID.AllowSorting == false)
            return;

        Image sortImage = new Image();
        Label space = new Label();

        sortImage.ImageUrl = (
            gridviewID.SortDirection ==
            SortDirection.Ascending ? @"~/sort_asc.gif" : @"~/sort_desc.gif");
        sortImage.Visible = true;
        space.Text = " ";


        for (int i = 0; i < gridviewID.Columns.Count; i++)
        {
            string colExpr = gridviewID.Columns[i].SortExpression;
            if (colExpr != "" && colExpr == gridviewID.SortExpression)
            {
                itemRow.Cells[i].Controls.Add(space);
                itemRow.Cells[i].Controls.Add(sortImage);
            }
        }
    }

And FreezeGridviewHeader Function

 

    /// summary
    ///  Author: Antonio Suarez
    ///   Email: Antonio.Suarez@GrupoKino.com
    ///Web Page: http://www.grupoKino.com    
    /// [Español]Funcion que copia el header de un gridview a un control tipo Table 
    /// [English]Function that copy a gridview header to a table control.
    /// summary
    /// param name="_gv1"
    /// [Español]Gridview del cual se copiara el encabezado.
    /// [English]GridView from where the header row will be copied
    /// param
    /// param name="_tb1"
    /// [Español]Renglon del gridview al cual se le agrega la imagen 
    /// [English]Row of gridview to add sort image
    /// 
    /// param name="_pc1"
    /// [Español]Panel que contendra tanto al gridview como al control table
    /// [English]Panel container of the gridview and table control.   
    /// param    
    protected void FreezeGridviewHeader(GridView _gv1, Table _tb1,Panel _pc1)
    {
        Page.EnableViewState = false;

        //[Español]Copiando las propiedades del renglon de encabezado
        //[English]Copying a header row data and properties    
        _tb1.Rows.Add(_gv1.HeaderRow);
        _tb1.Rows[0].ControlStyle.CopyFrom(_gv1.HeaderStyle);
        _tb1.CellPadding = _gv1.CellPadding;
        _tb1.CellSpacing = _gv1.CellSpacing;
        _tb1.BorderWidth = _gv1.BorderWidth;

        //if (!_gv1.Width.IsEmpty)
        //_gv1.Width = Unit.Pixel(Convert.ToInt32(_gv1.Width.Value) + Convert.ToInt32(
        //    _tb1.Width.Value) + 13);

        //[Español]Copiando las propiedades de cada celda del nuevo encabezado.
        //[English]Copying  each cells properties to the new header cells properties
        int Count = 0;
        _pc1.Width = Unit.Pixel(100);
        for (Count = 0; Count < _gv1.HeaderRow.Cells.Count - 1; Count++)
        {
            _tb1.Rows[0].Cells[Count].Width = _gv1.Columns[Count].ItemStyle.Width;
            _tb1.Rows[0].Cells[Count].BorderWidth = 
                _gv1.Columns[Count].HeaderStyle.BorderWidth;
            _tb1.Rows[0].Cells[Count].BorderStyle = 
                _gv1.Columns[Count].HeaderStyle.BorderStyle;
            _pc1.Width = Unit.Pixel(Convert.ToInt32(
                _tb1.Rows[0].Cells[Count].Width.Value) +
                Convert.ToInt32(_pc1.Width.Value) + 14);
        }
        //Panel1.Width = Unit.Pixel(Convert.ToInt32(
        //    _tb1.Rows[0].Cells[Count-1].Width.Value) + 12);
    }

Points of Interest

The point here is that it should work in the most of the graphical browser and we will not have to add fix for each browser compatibility.

History

We need to add edit functionality. I hope all this could be useful for you, if this work fine.

Other thing, if you have a page please add my web page link http://www.grupoKino.com


Antonio Suarez.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Antonio Suarez
Web Developer Health Company
Mexico Mexico
Working as:
Web Developer.
 
Free Time:
Web Developer.
 

 
message.
Espero no esperar y mientras mas espero, espero que esperar.

Comments and Discussions

 
Questioncan not dim as new image PinmemberMember 834559923-May-14 10:53 
GeneralMy vote of 1 PinmemberSanjay K. Gupta29-Aug-12 0:20 
GeneralMy vote of 3 PinmemberVinayak B15-Feb-12 20:08 
GeneralMy vote of 1 Pinmemberdeveshbhattacharya17-Oct-10 3:04 
GeneralWorks with a static grid... PinmemberPak51413-Dec-08 9:11 
GeneralVery bad solution Pinmembernsimeonov5-Dec-08 14:53 
GeneralRe: Very bad solution PinmemberAntonio Suarez5-Dec-08 15:23 
GeneralMy vote of 1 Pinmembernsimeonov5-Dec-08 14:51 
Very bad solution! You are obligated to set column widths and we all know rendering html doesn't always stick to what you set. DO NOT USE THIS CODE!
QuestionIts not working?????? PinmemberNitish.11272-Nov-08 17:49 
AnswerHere I am posted the small and workable C# code which work with the panel also PinmemberNitish.11272-Nov-08 23:25 
Generalit won't work Pinmemberimran prasla24-Sep-08 8:09 
GeneralRe: it won't work PinmemberAntonio Suarez24-Sep-08 8:21 
GeneralRe: it won't work Pinmemberimran prasla25-Sep-08 3:36 
GeneralRe: it won't work PinmemberAntonio Suarez25-Sep-08 5:17 
GeneralRe: it won't work Pinmemberkirtiarora1-Mar-12 17:01 
GeneralEdit functionality Pinmemberscott.m.owen@hotmail.com24-Jul-08 7:43 
GeneralRe: Edit functionality PinmemberAntonio Suarez24-Jul-08 20:29 
GeneralRe: Edit functionality Pinmembertommymro21-Nov-08 8:02 
GeneralTwo identical header rows Pinmemberscottlis27-Jun-08 2:19 
GeneralRe: Two identical header rows PinmemberAntonio Suarez24-Jul-08 20:45 
General[Message Removed] PinmemberMojtaba Vali23-May-08 22:10 
GeneralImprovements PinmemberHelmar Dahmer23-May-08 11:54 
GeneralRe: Improvements PinmemberAntonio Suarez23-May-08 12:20 
GeneralRe: Improvements PinmemberMember 31118165-Nov-08 13:08 
GeneralMinor Point PinmemberOakman14-May-08 15:22 
GeneralRe: Minor Point PinmemberAntonio Suarez14-May-08 19:01 

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