Hi I am converting an asp applicattion to asp.net, and I am getting an
error as follows,
Exception Details: System.Runtime. InteropServices .COMException: Type
mismatch.
Source Error:
Line 350: 'response.Write (sql2)
Line 351: rs_getAlarmCoun t =
Server.CreateOb ject("ADODB.Rec ordset")
Line 352: rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
Line 353: rs_getAlarmCoun t.Source = sql
Line 354: rs_getAlarmCoun t.CursorType = 0
Source File: C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx
Line: 352
Stack Trace:
[COMException (0x80020005): Type mismatch.]
Microsoft.Visua lBasic.Compiler Services.LateBi nding.InternalL ateSet(Object
o, Type& objType, String name, Object[] args, String[] paramnames,
Boolean OptimisticSet, CallType UseCallType) +2138
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean OptimisticSet, Boolean
RValueBase, CallType CallType) +180
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments) +33
ASP.campusfires afetyreport_asp x.getAlarmCount (Object location,
Object alarmtype, Object thisyear) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:352
ASP.campusfires afetyreport_asp x.__Render__con trol1(HtmlTextW riter
__w, Control parameterContai ner) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:251
System.Web.UI.C ontrol.RenderCh ildrenInternal( HtmlTextWriter writer,
ICollection children) +98
System.Web.UI.C ontrol.RenderCh ildren(HtmlText Writer writer) +20
System.Web.UI.P age.Render(Html TextWriter writer) +27
System.Web.UI.C ontrol.RenderCo ntrolInternal(H tmlTextWriter writer,
ControlAdapter adapter) +53
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer,
ControlAdapter adapter) +280
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer) +24
System.Web.UI.P age.ProcessRequ estMain(Boolean
includeStagesBe foreAsyncPoint, Boolean includeStagesAf terAsyncPoint)
+8878
The code above is defined as follows
<Script type="VB" runat="Server">
function getAlarmCount(l ocation, alarmtype, thisyear)
Dim sql = " SELECT COUNT(*) AS realalarmcount " & _
"FROM (tblEvent INNER JOIN tblEvent_type ON tblEvent.case_n o =
tblEvent_type.c ase_no) " & _
"WHERE (tblEvent_type. event_type_id = "& alarmtype &") " & _
" AND (tblEvent.date_ of_event > '1/1/"& thisyear &"' and
tblEvent.date_o f_event < '12/31/"& thisyear &"' ) "
if location <> "0" then
sql = sql & " AND (tblEvent.locat ion = "& location &") "
end if
'response.Write (sql2)
rs_getAlarmCoun t = Server.CreateOb ject("ADODB.Rec ordset")
rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
rs_getAlarmCoun t.Source = sql
rs_getAlarmCoun t.CursorType = 0
rs_getAlarmCoun t.CursorLocatio n = 2
rs_getAlarmCoun t.LockType = 1
rs_getAlarmCoun t.Open()
alarmcount = rs_getAlarmCoun t("realalarmcou nt")
'.response.Writ e(alarmcount)
rs_getAlarmCoun t.Close()
rs_getAlarmCoun t = Nothing
getAlarmCount = alarmcount
end function
</Script>
The active connection is used elsewhere too and is workign fine, but
when its defined in teh script block, its giving me an error, i donot
know how to fix it, I need help. thanks
--------------------------------------------------------------------------------
3  1157 
Your best bet is to use the native .Net Framework types. What's happening
here is you are still using the old ADODB.Recordset object, which is an
unmanaged reference. You're better off using a SqlDataReader or
OleDbDataReader to get the job done as those are native types. When you get
a reference to the recordset object here, it doesn't exactly know what to do
wiht it in line 352 because it has no type information specific to the
Recordset object, only the generic type information for the type returned by
server.createob ject.
Hope this helps,
Mark Fitzpatrick
Microsoft MVP - FrontPage
<am*******@gmai l.com> wrote in message
news:11******** **************@ g43g2000cwa.goo glegroups.com.. . Hi I am converting an asp applicattion to asp.net, and I am getting an
error as follows,
Exception Details: System.Runtime. InteropServices .COMException: Type
mismatch.
Source Error:
Line 350: 'response.Write (sql2)
Line 351: rs_getAlarmCoun t =
Server.CreateOb ject("ADODB.Rec ordset")
Line 352: rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
Line 353: rs_getAlarmCoun t.Source = sql
Line 354: rs_getAlarmCoun t.CursorType = 0
Source File: C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx
Line: 352
Stack Trace:
[COMException (0x80020005): Type mismatch.]
Microsoft.Visua lBasic.Compiler Services.LateBi nding.InternalL ateSet(Object
o, Type& objType, String name, Object[] args, String[] paramnames,
Boolean OptimisticSet, CallType UseCallType) +2138
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean OptimisticSet, Boolean
RValueBase, CallType CallType) +180
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments) +33
ASP.campusfires afetyreport_asp x.getAlarmCount (Object location,
Object alarmtype, Object thisyear) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:352
ASP.campusfires afetyreport_asp x.__Render__con trol1(HtmlTextW riter
__w, Control parameterContai ner) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:251
System.Web.UI.C ontrol.RenderCh ildrenInternal( HtmlTextWriter writer,
ICollection children) +98
System.Web.UI.C ontrol.RenderCh ildren(HtmlText Writer writer) +20
System.Web.UI.P age.Render(Html TextWriter writer) +27
System.Web.UI.C ontrol.RenderCo ntrolInternal(H tmlTextWriter writer,
ControlAdapter adapter) +53
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer,
ControlAdapter adapter) +280
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer) +24
System.Web.UI.P age.ProcessRequ estMain(Boolean
includeStagesBe foreAsyncPoint, Boolean includeStagesAf terAsyncPoint)
+8878
The code above is defined as follows
<Script type="VB" runat="Server">
function getAlarmCount(l ocation, alarmtype, thisyear)
Dim sql = " SELECT COUNT(*) AS realalarmcount " & _
"FROM (tblEvent INNER JOIN tblEvent_type ON tblEvent.case_n o =
tblEvent_type.c ase_no) " & _
"WHERE (tblEvent_type. event_type_id = "& alarmtype &") " & _
" AND (tblEvent.date_ of_event > '1/1/"& thisyear &"' and
tblEvent.date_o f_event < '12/31/"& thisyear &"' ) "
if location <> "0" then
sql = sql & " AND (tblEvent.locat ion = "& location &") "
end if
'response.Write (sql2)
rs_getAlarmCoun t = Server.CreateOb ject("ADODB.Rec ordset")
rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
rs_getAlarmCoun t.Source = sql
rs_getAlarmCoun t.CursorType = 0
rs_getAlarmCoun t.CursorLocatio n = 2
rs_getAlarmCoun t.LockType = 1
rs_getAlarmCoun t.Open()
alarmcount = rs_getAlarmCoun t("realalarmcou nt")
'.response.Writ e(alarmcount)
rs_getAlarmCoun t.Close()
rs_getAlarmCoun t = Nothing
getAlarmCount = alarmcount
end function
</Script>
The active connection is used elsewhere too and is workign fine, but
when its defined in teh script block, its giving me an error, i donot
know how to fix it, I need help. thanks
--------------------------------------------------------------------------------
Old ADO objects like recordset aren't supported by asp.net
try looking through Datareader,Data set
Actually Datareader replaces RecordSet
Hope that helps
PAtrick
<am*******@gmai l.com> wrote in message
news:11******** **************@ g43g2000cwa.goo glegroups.com.. . Hi I am converting an asp applicattion to asp.net, and I am getting an
error as follows,
Exception Details: System.Runtime. InteropServices .COMException: Type
mismatch.
Source Error:
Line 350: 'response.Write (sql2)
Line 351: rs_getAlarmCoun t =
Server.CreateOb ject("ADODB.Rec ordset")
Line 352: rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
Line 353: rs_getAlarmCoun t.Source = sql
Line 354: rs_getAlarmCoun t.CursorType = 0
Source File: C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx
Line: 352
Stack Trace:
[COMException (0x80020005): Type mismatch.]
Microsoft.Visua lBasic.Compiler Services.LateBi nding.InternalL ateSet(Object
o, Type& objType, String name, Object[] args, String[] paramnames,
Boolean OptimisticSet, CallType UseCallType) +2138
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean OptimisticSet, Boolean
RValueBase, CallType CallType) +180
Microsoft.Visua lBasic.Compiler Services.NewLat eBinding.LateSe t(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments) +33
ASP.campusfires afetyreport_asp x.getAlarmCount (Object location,
Object alarmtype, Object thisyear) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:352
ASP.campusfires afetyreport_asp x.__Render__con trol1(HtmlTextW riter
__w, Control parameterContai ner) in C:\Documents and
Settings\amit\D esktop\WebSite1 \reports\campus firesafetyrepor t.aspx:251
System.Web.UI.C ontrol.RenderCh ildrenInternal( HtmlTextWriter writer,
ICollection children) +98
System.Web.UI.C ontrol.RenderCh ildren(HtmlText Writer writer) +20
System.Web.UI.P age.Render(Html TextWriter writer) +27
System.Web.UI.C ontrol.RenderCo ntrolInternal(H tmlTextWriter writer,
ControlAdapter adapter) +53
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer,
ControlAdapter adapter) +280
System.Web.UI.C ontrol.RenderCo ntrol(HtmlTextW riter writer) +24
System.Web.UI.P age.ProcessRequ estMain(Boolean
includeStagesBe foreAsyncPoint, Boolean includeStagesAf terAsyncPoint)
+8878
The code above is defined as follows
<Script type="VB" runat="Server">
function getAlarmCount(l ocation, alarmtype, thisyear)
Dim sql = " SELECT COUNT(*) AS realalarmcount " & _
"FROM (tblEvent INNER JOIN tblEvent_type ON tblEvent.case_n o =
tblEvent_type.c ase_no) " & _
"WHERE (tblEvent_type. event_type_id = "& alarmtype &") " & _
" AND (tblEvent.date_ of_event > '1/1/"& thisyear &"' and
tblEvent.date_o f_event < '12/31/"& thisyear &"' ) "
if location <> "0" then
sql = sql & " AND (tblEvent.locat ion = "& location &") "
end if
'response.Write (sql2)
rs_getAlarmCoun t = Server.CreateOb ject("ADODB.Rec ordset")
rs_getAlarmCoun t.ActiveConnect ion = MM_rs_PAVE_CC_1 _STRING
rs_getAlarmCoun t.Source = sql
rs_getAlarmCoun t.CursorType = 0
rs_getAlarmCoun t.CursorLocatio n = 2
rs_getAlarmCoun t.LockType = 1
rs_getAlarmCoun t.Open()
alarmcount = rs_getAlarmCoun t("realalarmcou nt")
'.response.Writ e(alarmcount)
rs_getAlarmCoun t.Close()
rs_getAlarmCoun t = Nothing
getAlarmCount = alarmcount
end function
</Script>
The active connection is used elsewhere too and is workign fine, but
when its defined in teh script block, its giving me an error, i donot
know how to fix it, I need help. thanks
--------------------------------------------------------------------------
------
Thanks for teh reply guys, But the problem is that its working
everywhere else, except in this block which I had mentioned, now I just
want this to wrk on temporary basis, and I donot understand why it
works everywhere else except here, is it becoz its defined in teh
following block
<script type="vb" runat="server">
</script>
I need help, as i need to complete it asap. Any help is appreciated
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