A control cannot modify its parents' control collections. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: A control cannot modify its parents' control collections. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [HttpException (0x80004005): A control cannot modify its parents' control collections.] System.Web.UI.ControlCollection.RemoveAt(Int32 index) System.Web.UI.ControlCollection.Clear() +26 System.Web.UI.WebControls.BaseDataList.OnDataBinding(EventArgs e) System.Web.UI.WebControls.BaseDataList.DataBind() OakLeaf.MM.Main.Web.UI.WebControls.mmDataGrid.BindControlToData(DataSet ds, String tableName) OakLeaf.MM.Main.Web.UI.mmWebBindingStrategyDataGrid.BindData(ImmWebBindingDataGrid mmGrid, mmBusinessObject bizObj, Boolean bindBack, mmBusinessStateChangeEventArgs e) OakLeaf.MM.Main.Web.UI.WebControls.mmDataGrid.OnBindData(mmBusinessObject bindingSource, mmBusinessStateChangeEventArgs e, Boolean bindBack) OakLeaf.MM.Main.Web.UI.mmBusinessWebPage.BindControl(ImmWebBinding control, String bindingSource, String bindingMember) OakLeaf.MM.Main.Web.UI.mmBusinessWebPage.OnBubbleEvent(Object source, EventArgs e) System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26 OakLeaf.MM.Main.Web.UI.WebControls.mmDataGrid.OnBubbleEvent(Object source, EventArgs e) System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26 OakLeaf.MM.Main.Web.UI.WebControls.mmTextBox.OnLoad(EventArgs e) System.Web.UI.Control.LoadRecursive() +35 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Control.LoadRecursive() +98 System.Web.UI.Page.ProcessRequestMain() +731 -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573