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Posted 27 Sep 2010
Licenced CPOL

Group GridView Data

, 22 Aug 2014
A custom GridView control which provides you an additional facility to group the data in gridview along with the facility to customise the Group Header and Group Footer
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

public partial class _Default : System.Web.UI.Page
    protected void Page_Load(object sender, EventArgs e)
        if (!IsPostBack)
            BindGridView(grdRawData.GroupColumnName + ", Name");

    //Binds the Data in GridView used in the page.//
    private void BindGridView(string SortColumn)
        // Retrieve the data table from Excel Data Source.//
        DataTable dt = ExcelLayer.GetDataTable(GlobalData.DataSource.FileName, GlobalData.DataSource.TableName, SortColumn);

        grdRawData.DataSource = dt;

    /// <summary>
    /// Binds the Data in DropDownList used in the page.//
    /// </summary>
    private void BindDropDownList()
        ddlGroupColumn.DataSource = GlobalData.GetGroupColumns();
        ddlGroupColumn.DataTextField = "Value";
        ddlGroupColumn.DataValueField = "Key";

        ddlAnimationSpeed.DataSource = Enum.GetNames(typeof(GroupGridViewCtrl.Animation));
    /// <summary>
    /// Event Handler for Group Column.//
    /// </summary>
    /// <param name="sender">sender control</param>
    /// <param name="e">Event Args</param>
    protected void ddlGroupColumn_SelectedIndexChanged(object sender, EventArgs e)
        string ColumnName = ddlGroupColumn.SelectedValue;
        grdRawData.GroupColumnName = ColumnName;
        BindGridView(ColumnName + ", Name");

    /// <summary>
    /// Event Handler for Animation Speed.//
    /// </summary>
    /// <param name="sender">sender control</param>
    /// <param name="e">Event Args</param>
    protected void ddlAnimationSpeed_SelectedIndexChanged(object sender, EventArgs e)
        GroupGridViewCtrl.Animation SelectedAnimation = (GroupGridViewCtrl.Animation)Enum.Parse(typeof(GroupGridViewCtrl.Animation), ddlAnimationSpeed.SelectedValue);
        grdRawData.AnimationSpeed = SelectedAnimation;
        grdRawData.GroupColumnName = ddlGroupColumn.SelectedValue;
        BindGridView(ddlGroupColumn.SelectedValue + ", Name");

    protected void grdRawData_PageIndexChanging(object sender, GridViewPageEventArgs e)
        grdRawData.PageIndex = e.NewPageIndex;
        BindGridView(grdRawData.GroupColumnName + ", Name");

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About the Author

Anurag Gandhi
India India
Anurag Gandhi is a Developer, Consultant, Architect, Blogger, Speaker and a Microsoft Employee. He is passionate about programming.
He is extensively involved in Asp.Net Core, MVC/Web API, Microsoft Azure/Cloud, web application hosting/architecture, Angular, AngularJs, design and development. His languages of choice are C#, Node/Express, JavaScript, Asp .NET MVC, Asp, C, C++. He is familiar with many other programming languages as well. He mostly works with MS Sql Server as the preferred database and has worked with Redis, MySQL, Oracle, MS Access, etc. also.
He is active in programming communities and loves to share the knowledge with others whenever he gets the time for it.
He is also a passionate chess player.
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