分享代码:自定义gridview添加行双击事件

[ParseChildren(true)]

[PersistChildren(false)]

[ToolboxData("<{0}:GridViewPlus runat=server></{0}:GridViewPlus>")]

[ToolboxBitmap(typeof(GridView))]

public class GridViewPlus : GridView {

    #region constructors

    public GridViewPlus() : base() { }

    public GridViewPlus(string pId) {

        this.ID = MyHelper.ToString(pId);

        }

    #endregion constructors

    public delegate void RowDblClickEventHandler(object sender, int RowIndex);

    public event RowDblClickEventHandler RowDblClick; 

    protected override void OnLoad(EventArgs e) {

        base.OnLoad(e);

        this.Load_RowDblClickEventHandler();

        }

    protected virtual void OnRowDblClick(object sender, int RowIndex){

        this.SelectedIndex = RowIndex;

        }

    private void Load_RowDblClickEventHandler() {

        string _EventTarget = MyHelper.ToString(this.Page.Request.Params["__EVENTTARGET"]);

        string[] _EventArguments = MyHelper.ToString(this.Page.Request.Params["__EVENTARGUMENT"]).Split('$');

        string _EventName = MyHelper.ToString(_EventArguments[0]);

        if(_EventTarget == this.ID && _EventName == "RowDblClick") {

            int _index = MyHelper.ToInt(_EventArguments[1]);

            this.RowDblClick(this, _index);

            }

        }

    protected override void OnRowDataBound(GridViewRowEventArgs e) {

        GridViewRow _row = e.Row;

        string _index = MyHelper.ToString(_row.RowIndex);

        string _arg = "RowDblClick$" + _index;

        string _evt = this.Page.ClientScript.GetPostBackEventReference(this, _arg); 

        _row.Attributes.Add("ondblclick", _evt);

        }

    }//endclass