Here's the stack trace.

The Query sent into GetDataSet() is

SELECT * FROM V_InvToStores WHERE CompanyFK = @CompanyFK AND ItemNum = @ItemNum
Where @CompanyFK = a4889884-ac0d-467c-9148-7b69bc55543c
And ItemNum = '42765'

Thanks for the help.

at System.Data.DataSet.FailedEnableConstraints()
at System.Data.DataSet.EnableConstraints()
at System.Data.DataSet.set_EnforceConstraints(Boolean value)
at System.Data.DataTable.EndLoadData()
at System.Data.Common.DataAdapter.FillFromReader(DataSet dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue)
at System.Data.Common.DataAdapter.Fill(DataSet dataSet, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords)
at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)
at OakLeaf.MM.Main.Data.mmDataAccessSql.FillDataSet(DataSet ds, IDbDataAdapter dbAdapter, String tableName, Boolean clearOnFill)
at OakLeaf.MM.Main.Data.mmDataAccessSql.FillDataSet(DataSet ds, IDbCommand command, String tableName, Boolean clearOnFill)
at OakLeaf.MM.Main.Data.mmDataAccessSql.FillDataSet(DataSet ds, String command, String tableName, CommandType cmdType, IDbDataParameter[] dataParms, Boolean clearOnFill)
at OakLeaf.MM.Main.Business.mmBusinessObject.FillDataSet(DataSet ds, String command, String tableName, String databaseKey, CommandType cmdType, IDbDataParameter[] dataParams)
at OakLeaf.MM.Main.Business.mmBusinessObject.GetDataSet(String command, String tableName, String databaseKey, CommandType cmdType, IDbDataParameter[] dataParams)
at OakLeaf.MM.Main.Business.mmBusinessObject.GetDataSet(String command, String tableName, String databaseKey, IDbDataParameter[] dataParams)
at OakLeaf.MM.Main.Business.mmBusinessObject.GetDataSet(String command, String tableName, IDbDataParameter[] dataParams)
at OakLeaf.MM.Main.Business.mmBusinessObject.GetDataSet(String command, IDbDataParameter[] dataParams)
at Ambit.POS.Business.ABusinessObject.GetDataWhereOrder(String WhereClause, List`1 WhereParams, String OrderByClause) in C:\Ambit\Projects\PointOfSale\POSBusinessObjects\Business.cs:line 618
at Ambit.POS.frmBids.FindItem(String itemSearch, Int32 row) in C:\Ambit\Projects\PointOfSale\PointOfSaleProj\frmBids.cs:line 771
at Ambit.POS.frmBids.dgvItems_CellValidating(Object sender, DataGridViewCellValidatingEventArgs e) in C:\Ambit\Projects\PointOfSale\PointOfSaleProj\frmBids.cs:line 401
at System.Windows.Forms.DataGridView.OnCellValidating(DataGridViewCellValidatingEventArgs e)
at System.Windows.Forms.DataGridView.OnCellValidating(DataGridViewCell& dataGridViewCell, Int32 columnIndex, Int32 rowIndex, DataGridViewDataErrorContexts context)
at System.Windows.Forms.DataGridView.CommitEdit(DataGridViewCell& dataGridViewCurrentCell, DataGridViewDataErrorContexts context, DataGridViewValidateCellInternal validateCell, Boolean fireCellLeave, Boolean fireCellEnter, Boolean fireRowLeave, Boolean fireRowEnter, Boolean fireLeave)
at System.Windows.Forms.DataGridView.EndEdit(DataGridViewDataErrorContexts context, DataGridViewValidateCellInternal validateCell, Boolean fireCellLeave, Boolean fireCellEnter, Boolean fireRowLeave, Boolean fireRowEnter, Boolean fireLeave, Boolean keepFocus, Boolean resetCurrentCell, Boolean resetAnchorCell)
at System.Windows.Forms.DataGridView.CommitEditForOperation(Int32 columnIndex, Int32 rowIndex, Boolean forCurrentCellChange)
at System.Windows.Forms.DataGridView.ScrollIntoView(Int32 columnIndex, Int32 rowIndex, Boolean forCurrentCellChange)
at System.Windows.Forms.DataGridView.ProcessRightKeyPrivate(Keys keyData)
at System.Windows.Forms.DataGridView.ProcessRightKey(Keys keyData)
at ATLib.Controls.ATmmDataGridView.ProcessDialogKey(Keys keyData) in C:\Ambit\Projects\ATLibMM\ATmmDataGridView.cs:line 31
at System.Windows.Forms.Control.ProcessDialogKey(Keys keyData)
at System.Windows.Forms.TextBoxBase.ProcessDialogKey(Keys keyData)
at System.Windows.Forms.Control.PreProcessMessage(Message& msg)
at System.Windows.Forms.Control.PreProcessControlMessageInternal(Control target, Message& msg)
at System.Windows.Forms.Application.ThreadContext.PreTranslateMessage(MSG& msg)
at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FPreTranslateMessage(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(Form mainForm)
at Ambit.POS.Main.AppMainEntry.Main() in C:\Ambit\Projects\PointOfSale\PointOfSaleProj\Main.cs:line 45