Bill,

>Vs2005 MM 2.4
>Getting this error randomly when saving a bo in production, never in testing. How can I troubleshoot this ? I have checked the field length and it is correct. The field is defined like this:
>

>
><mm:mmTextBox ID="txtCellPhone" runat="server" BindingSource="Orders" BindingSourceMember="CellPhone"	AccessLevel="Full" ControlID="00000000-0000-0000-0000-000000000000" IsPostBack="False" SecuritySetup="True" Width="90%" DisplayFormat="" UserFieldName="">
></mm:mmTextBox>
>
><ajaxToolkit:MaskedEditExtender ID="MaskedEditExtender3" runat="server" TargetControlID="txtCellPhone" Mask="(999)999-9999" CultureAMPMPlaceholder="" CultureCurrencySymbolPlaceholder="" CultureDateFormat="" CultureDatePlaceholder="" CultureDecimalPlaceholder="" CultureThousandsPlaceholder="" CultureTimePlaceholder="" Enabled="True" ClearMaskOnLostFocus="False">
></ajaxToolkit:MaskedEditExtender>
>
>

>Other similar fields give the same error randomly.
>Error and call stack:
>

>Message:Cannot set column 'CellPhone'. The value violates the MaxLength limit of this column.
>Source:System.Data
>Date:4/2/2008 6:53:32 PM
>Stack:   at System.Data.DataColumn.CheckMaxLength(DataRow dr)
>   at System.Data.DataTable.RaiseRowChanging(DataRowChangeEventArgs args, DataRow eRow, DataRowAction eAction, Boolean fireEvent)
>   at System.Data.DataTable.SetNewRecordWorker(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Int32 position, Boolean fireEvent, Exception& deferredException)
>   at System.Data.DataTable.SetNewRecord(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Boolean fireEvent)
>   at System.Data.DataRow.EndEdit()
>   at System.Data.DataRow.set_Item(DataColumn column, Object value)
>   at System.Data.DataRow.set_Item(String columnName, Object value)
>   at OakLeaf.MM.Main.Web.UI.WebControls.mmTextBox.BindBack(DataSet ds, String tableName, String fieldName)
>   at OakLeaf.MM.Main.Web.UI.mmWebBindingStrategySimple.BindData(ImmWebBindingSimple mmControl, mmBusinessObject bizObj, Boolean bindBack, mmBusinessStateChangeEventArgs e)

This IS an odd error--not sure why you're getting it. I recommend setting a breakpoint in mmTextBox.BindBack() to see what value is being written back.

Best Regards,

Kevin McNeish
Eight-Time .NET MVP
VFP and iOS Author, Speaker & Trainer
Oak Leaf Enterprises, Inc.
Chief Architect, MM Framework
http://www.oakleafsd.com