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POWhen large number of records in Database,it throws error "Operation has been cancelled by the user" in vb.net
 

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  1. POWhen large number of records in Database,it throws error "Operation has been cancelled by the user" in vb.net
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    <p>I want to retrieve records from DB2 and display the records in DataGridView in VB.net. If number of records is less it works fine.</p> <p>But if the database tabe has large number of records it throws error "Operation has been cancelled by the user". Can any one help please me...</p> <p>My code is </p> <pre><code> Dim strSQL As String Dim myConn, myCommand, rs As Object DataGridView1.DataSource = Nothing rs = CreateObject("ADODB.Recordset") Const DB_CONNECT_STRING = "Provider=MSDASQL.1;Persist Security Info=False;User ID=cpa5k;Data Source=NP1;DSN=NP1;UID=user;PASSWORD=pass;SDSN=Default;HST=sysplex.com;PRT=4101;Initial Catalog=QA1MM;" myConn = CreateObject("ADODB.Connection") myCommand = CreateObject("ADODB.Command") myConn.Open(DB_CONNECT_STRING) myCommand.ActiveConnection = myConn strSQL = " query " rs.Open(strSQL, myConn) Dim myDA As OleDb.OleDbDataAdapter = New OleDb.OleDbDataAdapter Dim myDS As DataSet = New DataSet myDA.Fill(myDS, rs, "MyTable") DataGridView1.DataSource = myDS.Tables(0) DataGridView1.Refresh() myConn.Close() </code></pre> <p>The Error message displayed is:</p> <blockquote> <p>See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.</p> <p><em><strong></em>**<em>*</em>**<em></strong> Exception Text <strong></em>**<em>*</em>****</strong> System.Runtime.InteropServices.COMException (0x800A0E80): Operation has been cancelled by the user. </p> <p>at Microsoft.VisualBasic.CompilerServices.LateBinding.InternalLateCall(Object o, Type objType, String name, Object[] args, String[] paramnames, Boolean[] CopyBack, Boolean IgnoreReturn)<br> at Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateCall(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean IgnoreReturn) at WindowsApplication2.Form1.Button4_Click(Object sender, EventArgs e)<br> at System.Windows.Forms.Control.OnClick(EventArgs e)<br> at System.Windows.Forms.Button.OnClick(EventArgs e)<br> at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)<br> at System.Windows.Forms.Control.WmMouseUp(Message&amp; m, MouseButtons button, Int32 clicks)<br> at System.Windows.Forms.Control.WndProc(Message&amp; m)<br> at System.Windows.Forms.ButtonBase.WndProc(Message&amp; m)<br> at System.Windows.Forms.Button.WndProc(Message&amp; m)<br> at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message&amp; m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message&amp; m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)</p> </blockquote> <p>The query which i am running is :</p> <pre><code>SELECT A.MVNDR_NBR ,A.MER_DEPT_NBR ,C.BYO_NBR ,B.MKT_NBR ,D.SKU_NBR ,A.STR_NBR ,B.BU_ID ,COALESCE(D.MIN_EFF_OH_QTY,0) ,COALESCE(D.TRGT_OH_QTY,0) ,D.THRH_BUOM_QTY_PCT ,COALESCE(E.OH_QTY,0) ,COALESCE(E.CHG_OH_QTY,0) ,COALESCE(E.OO_QTY,0) ,E.SKU_VLCTY_CD ,D.LEAD_TM_DAYS ,D.REV_TM_DAYS_CNT ,COALESCE(D.SFTY_STK_DAYS,0) ,D.ADJ_ASW_QTY ,D.MAX_INV_QTY ,D.TOT_PLNG_OVRD_DAYS ,COALESCE(D.MIN_OH_QTY_DAYS,0) ,F.CURR_DSVC_TYP_CD ,G.CURR_RMETH_CD ,F.DCHNL_DC_NBR ,COALESCE(F.BUY_MIN_QTY,0) ,F.BUY_UOM_QTY ,COALESCE(E.CORD_ALLOC_QTY,0) ,COALESCE(E.CORD_RSVD_QTY,0) FROM PO_AUTO_HORD_STRMV A ,STR B ,MKT C ,MVNDR_SKU_STR F ,SKU_STR_LIST G ,PO_AUTO_HORD_PARM D LEFT OUTER JOIN STRSK_OH_EOO E ON E.STR_NBR = D.STR_NBR AND E.SKU_NBR = D.SKU_NBR WHERE A.PO_WK_DAY_NBR = 4 AND A.EFF_BGN_DT &lt;= '2011-09-22' AND A.EFF_END_DT &gt; '2011-09-22' AND D.STR_NBR = A.STR_NBR AND D.MVNDR_NBR = A.MVNDR_NBR AND D.MER_DEPT_NBR = A.MER_DEPT_NBR AND B.STR_NBR = A.STR_NBR AND B.STR_OPEN_DT &lt;= '2011-09-22' AND C.MKT_NBR = B.MKT_NBR AND F.MVNDR_NBR = A.MVNDR_NBR AND F.MER_DEPT_NBR = A.MER_DEPT_NBR AND F.SKU_NBR = D.SKU_NBR AND F.STR_NBR = D.STR_NBR AND G.SKU_NBR = D.SKU_NBR AND G.STR_NBR = D.STR_NBR AND F.OK_TO_ORD_FLG = 'Y' AND G.SKU_STAT_CD IN (100, 200) AND G.SOS_IND IN ('V','B') AND F.CURR_DSVC_TYP_CD IN (1, 3) ORDER BY A.MVNDR_NBR ,C.BYO_NBR ,B.MKT_NBR ,F.DCHNL_DC_NBR ,F.CURR_DSVC_TYP_CD ,D.SKU_NBR ,A.STR_NBR WITH UR </code></pre>
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    1. PO
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    1. This table or related slice is empty.
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    1. USuser1271146
    1. USuser1271146
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. COWhat happens if you run the query directly in the DB platform (instead of through code). Does it work? If not, you need to fix the query first.
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      1. POWhen large number of records in Database,it throws error "Operation has been cancelled by the user" in vb.net
      1. USJohnFx
    2. COIf i directly run thru the DB platform..it is working...Query is correct only....
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      1. POWhen large number of records in Database,it throws error "Operation has been cancelled by the user" in vb.net
      1. USuser1271146
    3. COWhat line is throwing the error?
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      1. POWhen large number of records in Database,it throws error "Operation has been cancelled by the user" in vb.net
      1. USJohnFx
 

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