I have just turned on option strict in ASP/VB.net. I started by happily
going through and setting up all of the Dim statements with As clauses, and
making my cast explicit. However, I have now got stuck on "late binding".
After reading that early binding is faster, I think that it would be best to
make everything early binding, but I can't work out how. have but a sample
of my database code below. Can anyone tell me how to fix it?
Thanks,
Martin
Public Sub aSub()
'Allocate Variables
Dim adCmdText, aConnectionStri ng, SQL As String
Dim R, F, RecsAffected As Object
Dim conn As Object
'set connection string for login to database
aConnectionStri ng = "Provider=SQLOL EDB;Data Source=server;" _
& "Database=aData Base;UID=aUserI D;PWD=aPassword "
conn = Server.CreateOb ject("ADODB.Con nection") 'make connection
object
'send connection string to database, via oject
conn.Connection String = aConnectionStri ng
'open the connection
conn.Open()
SQL = ("SELECT aValue FROM aTable WHERE theCondition='" + aCondition
+ "'")
R = conn.execute(SQ L, RecsAffected, adCmdText)
For Each F In R.Fields
Response.Write( "") 'do nothing
Next
While Not R.EOF
For Each F In R.Fields
aValue = F.Value
Next
R.MoveNext()
End While
conn.Close()
End Sub
--
Martin Eyles ma**********@NO SPAM.bytronic.c om 6 1481
Marin,
Glad to see you are turning on Option Explicit and Option Strict.
You can early bind like this:
dim connection as System.Data.Sql Client.SqlConne ction
connection = new System.Data.Sql Client.SqlConne ction
of course, if you Import System.Data.Sql Client at the top of your page, this
looks a lot nicer:
dim connection as SqlConnection
connection = new SqlConnection()
or
dim connection as SqlConnection = new SqlConnection()
also look at exception handling (try/catch) and if you are serious about
properly learning VB.Net, check out http://www.amazon.com/exec/obidos/AS...185744-5788008
Karl
--
MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message
news:10******** *****@corp.supe rnews.com... I have just turned on option strict in ASP/VB.net. I started by happily going through and setting up all of the Dim statements with As clauses,
and making my cast explicit. However, I have now got stuck on "late binding". After reading that early binding is faster, I think that it would be best
to make everything early binding, but I can't work out how. have but a
sample of my database code below. Can anyone tell me how to fix it?
Thanks, Martin
Public Sub aSub() 'Allocate Variables Dim adCmdText, aConnectionStri ng, SQL As String Dim R, F, RecsAffected As Object Dim conn As Object
'set connection string for login to database aConnectionStri ng = "Provider=SQLOL EDB;Data Source=server;" _ & "Database=aData Base;UID=aUserI D;PWD=aPassword " conn = Server.CreateOb ject("ADODB.Con nection") 'make connection object 'send connection string to database, via oject conn.Connection String = aConnectionStri ng 'open the connection conn.Open()
SQL = ("SELECT aValue FROM aTable WHERE theCondition='" +
aCondition + "'") R = conn.execute(SQ L, RecsAffected, adCmdText) For Each F In R.Fields Response.Write( "") 'do nothing Next While Not R.EOF For Each F In R.Fields aValue = F.Value Next R.MoveNext() End While
conn.Close() End Sub
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
I have done that now, and the connection object complained that it didn't
have the execute method. I found there is a SqlCommand class too from an
example in the help, and so have added the following code:-
anSQLCommand = New System.Data.Sql Client.SqlComma nd
anSQLCommand.Co nnection() = conn
anSQLCommand.Co mmandText = SQL
My problem is that there are four different execute... methods in the
SqlCommand object:- NonQuery, Reader, Scalar and XmlReader. Could you
explain which ones I need, and how to use them? Also, are these ADODB like
my old code, or are they the new ADO.net classes? Does this make any
difference?
Thanks again,
Martin
--
Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net>
wrote in message news:Oi******** ******@TK2MSFTN GP10.phx.gbl... Marin, Glad to see you are turning on Option Explicit and Option Strict.
You can early bind like this:
dim connection as System.Data.Sql Client.SqlConne ction
connection = new System.Data.Sql Client.SqlConne ction
of course, if you Import System.Data.Sql Client at the top of your page,
this looks a lot nicer:
dim connection as SqlConnection connection = new SqlConnection()
or
dim connection as SqlConnection = new SqlConnection()
also look at exception handling (try/catch) and if you are serious about properly learning VB.Net, check out http://www.amazon.com/exec/obidos/AS...185744-5788008
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... I have just turned on option strict in ASP/VB.net. I started by happily going through and setting up all of the Dim statements with As clauses, and making my cast explicit. However, I have now got stuck on "late
binding". After reading that early binding is faster, I think that it would be
best to make everything early binding, but I can't work out how. have but a sample of my database code below. Can anyone tell me how to fix it?
Thanks, Martin
Public Sub aSub() 'Allocate Variables Dim adCmdText, aConnectionStri ng, SQL As String Dim R, F, RecsAffected As Object Dim conn As Object
'set connection string for login to database aConnectionStri ng = "Provider=SQLOL EDB;Data Source=server;" _ & "Database=aData Base;UID=aUserI D;PWD=aPassword " conn = Server.CreateOb ject("ADODB.Con nection") 'make connection object 'send connection string to database, via oject conn.Connection String = aConnectionStri ng 'open the connection conn.Open()
SQL = ("SELECT aValue FROM aTable WHERE theCondition='" + aCondition + "'") R = conn.execute(SQ L, RecsAffected, adCmdText) For Each F In R.Fields Response.Write( "") 'do nothing Next While Not R.EOF For Each F In R.Fields aValue = F.Value Next R.MoveNext() End While
conn.Close() End Sub
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
Sorry, you are right, I changed you over from ADODB to ADO.Net...it does
make a difference. I obviously recommend that you move to ADO.Net, but now
might not be the correct time for you. If you are just doing this for
learning, strongly consider going with ADO.Net, if you have a deadline for a
project and ADODB is working, why not wait 'til downtime before rocking the
boat too much.
To use ADODB in a strongly-typed manner, you'll need to add a reference to
Microsoft ActiveX Data Object Library 2.7. You do this in VS.Net by right
clicking on "referneces ", selecting "Add Reference", selecting the "COM" tab
and then picking that class.
Once added, you can do thigs like:
Dim connection As ADODB.Connectio n = New ADODB.Connectio n
connection.Conn ectionString = ""
or
Dim rs as ADODB.Recordset = .....
and pretty much use it all like you are used to...
Karl
--
MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message
news:10******** *****@corp.supe rnews.com... I have done that now, and the connection object complained that it didn't have the execute method. I found there is a SqlCommand class too from an example in the help, and so have added the following code:-
anSQLCommand = New System.Data.Sql Client.SqlComma nd anSQLCommand.Co nnection() = conn anSQLCommand.Co mmandText = SQL
My problem is that there are four different execute... methods in the SqlCommand object:- NonQuery, Reader, Scalar and XmlReader. Could you explain which ones I need, and how to use them? Also, are these ADODB like my old code, or are they the new ADO.net classes? Does this make any difference?
Thanks again, Martin
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net> wrote in message news:Oi******** ******@TK2MSFTN GP10.phx.gbl... Marin, Glad to see you are turning on Option Explicit and Option Strict.
You can early bind like this:
dim connection as System.Data.Sql Client.SqlConne ction
connection = new System.Data.Sql Client.SqlConne ction
of course, if you Import System.Data.Sql Client at the top of your page, this looks a lot nicer:
dim connection as SqlConnection connection = new SqlConnection()
or
dim connection as SqlConnection = new SqlConnection()
also look at exception handling (try/catch) and if you are serious about properly learning VB.Net, check out http://www.amazon.com/exec/obidos/AS...185744-5788008
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... I have just turned on option strict in ASP/VB.net. I started by
happily going through and setting up all of the Dim statements with As
clauses, and making my cast explicit. However, I have now got stuck on "late binding". After reading that early binding is faster, I think that it would be best to make everything early binding, but I can't work out how. have but a sample of my database code below. Can anyone tell me how to fix it?
Thanks, Martin
Public Sub aSub() 'Allocate Variables Dim adCmdText, aConnectionStri ng, SQL As String Dim R, F, RecsAffected As Object Dim conn As Object
'set connection string for login to database aConnectionStri ng = "Provider=SQLOL EDB;Data Source=server;" _ & "Database=aData Base;UID=aUserI D;PWD=aPassword " conn = Server.CreateOb ject("ADODB.Con nection") 'make
connection object 'send connection string to database, via oject conn.Connection String = aConnectionStri ng 'open the connection conn.Open()
SQL = ("SELECT aValue FROM aTable WHERE theCondition='" + aCondition + "'") R = conn.execute(SQ L, RecsAffected, adCmdText) For Each F In R.Fields Response.Write( "") 'do nothing Next While Not R.EOF For Each F In R.Fields aValue = F.Value Next R.MoveNext() End While
conn.Close() End Sub
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
I can afford a bit of time to get it going in ADO.net. Have figured out how
to get one value with scalar now, I think. The only thing now is working
with more data.
I am used to:- "Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... > R = conn.execute(SQ L, RecsAffected, adCmdText) > For Each F In R.Fields > Response.Write( "") 'do nothing > Next > While Not R.EOF > For Each F In R.Fields > aValue = F.Value > Next > R.MoveNext() > End While
I think the first line should become R=command.execu teReader, but what class
of object is R, and what changes do I have to make to the rest?
Thanks,
ME
--
Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net>
wrote in message news:e$******** ******@TK2MSFTN GP14.phx.gbl... Sorry, you are right, I changed you over from ADODB to ADO.Net...it does make a difference. I obviously recommend that you move to ADO.Net, but now might not be the correct time for you. If you are just doing this for learning, strongly consider going with ADO.Net, if you have a deadline for
a project and ADODB is working, why not wait 'til downtime before rocking
the boat too much.
To use ADODB in a strongly-typed manner, you'll need to add a reference to Microsoft ActiveX Data Object Library 2.7. You do this in VS.Net by right clicking on "referneces ", selecting "Add Reference", selecting the "COM"
tab and then picking that class.
Once added, you can do thigs like: Dim connection As ADODB.Connectio n = New ADODB.Connectio n connection.Conn ectionString = ""
or
Dim rs as ADODB.Recordset = .....
and pretty much use it all like you are used to...
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... I have done that now, and the connection object complained that it
didn't have the execute method. I found there is a SqlCommand class too from an example in the help, and so have added the following code:-
anSQLCommand = New System.Data.Sql Client.SqlComma nd anSQLCommand.Co nnection() = conn anSQLCommand.Co mmandText = SQL
My problem is that there are four different execute... methods in the SqlCommand object:- NonQuery, Reader, Scalar and XmlReader. Could you explain which ones I need, and how to use them? Also, are these ADODB
like my old code, or are they the new ADO.net classes? Does this make any difference?
Thanks again, Martin
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net> wrote in message news:Oi******** ******@TK2MSFTN GP10.phx.gbl... Marin, Glad to see you are turning on Option Explicit and Option Strict.
You can early bind like this:
dim connection as System.Data.Sql Client.SqlConne ction
connection = new System.Data.Sql Client.SqlConne ction
of course, if you Import System.Data.Sql Client at the top of your
page, this looks a lot nicer:
dim connection as SqlConnection connection = new SqlConnection()
or
dim connection as SqlConnection = new SqlConnection()
also look at exception handling (try/catch) and if you are serious
about properly learning VB.Net, check out http://www.amazon.com/exec/obidos/AS...185744-5788008
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
SqlDataReader dr = command.execute Reader()
while dr.Read()
dim someField as string = cstr(dr("someCo lumn"))
end while
you might wanna check out an introduction on this sorta stuff such as
( http://www.sitepoint.com/article/introduction-ado-net/2) which I just got
from a google search...
Karl
--
MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message
news:10******** *****@corp.supe rnews.com... I can afford a bit of time to get it going in ADO.net. Have figured out
how to get one value with scalar now, I think. The only thing now is working with more data.
I am used to:-
> "Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message > news:10******** *****@corp.supe rnews.com... > > R = conn.execute(SQ L, RecsAffected, adCmdText) > > For Each F In R.Fields > > Response.Write( "") 'do nothing > > Next > > While Not R.EOF > > For Each F In R.Fields > > aValue = F.Value > > Next > > R.MoveNext() > > End While I think the first line should become R=command.execu teReader, but what
class of object is R, and what changes do I have to make to the rest?
Thanks, ME
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net> wrote in message news:e$******** ******@TK2MSFTN GP14.phx.gbl... Sorry, you are right, I changed you over from ADODB to ADO.Net...it does make a difference. I obviously recommend that you move to ADO.Net, but
now might not be the correct time for you. If you are just doing this for learning, strongly consider going with ADO.Net, if you have a deadline
for a project and ADODB is working, why not wait 'til downtime before rocking the boat too much.
To use ADODB in a strongly-typed manner, you'll need to add a reference
to Microsoft ActiveX Data Object Library 2.7. You do this in VS.Net by
right clicking on "referneces ", selecting "Add Reference", selecting the "COM" tab and then picking that class.
Once added, you can do thigs like: Dim connection As ADODB.Connectio n = New ADODB.Connectio n connection.Conn ectionString = ""
or
Dim rs as ADODB.Recordset = .....
and pretty much use it all like you are used to...
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... I have done that now, and the connection object complained that it didn't have the execute method. I found there is a SqlCommand class too from
an example in the help, and so have added the following code:-
anSQLCommand = New System.Data.Sql Client.SqlComma nd anSQLCommand.Co nnection() = conn anSQLCommand.Co mmandText = SQL
My problem is that there are four different execute... methods in the SqlCommand object:- NonQuery, Reader, Scalar and XmlReader. Could you explain which ones I need, and how to use them? Also, are these ADODB like my old code, or are they the new ADO.net classes? Does this make any difference?
Thanks again, Martin
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME
net> wrote in message news:Oi******** ******@TK2MSFTN GP10.phx.gbl... > Marin, > Glad to see you are turning on Option Explicit and Option Strict. > > You can early bind like this: > > dim connection as System.Data.Sql Client.SqlConne ction > > connection = new System.Data.Sql Client.SqlConne ction > > of course, if you Import System.Data.Sql Client at the top of your page, this > looks a lot nicer: > > dim connection as SqlConnection > connection = new SqlConnection() > > or > > dim connection as SqlConnection = new SqlConnection() > > > also look at exception handling (try/catch) and if you are serious about > properly learning VB.Net, check out >
http://www.amazon.com/exec/obidos/AS...185744-5788008 > > > Karl > > -- > MY ASP.Net tutorials > http://www.openmymind.net/
Thankyou,
I think there is plenty of information to read on this. I had
googled a bit, but it helps to know what you are googling for, so thanks for
the link too.
ME
--
Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net>
wrote in message news:Oi******** ******@TK2MSFTN GP09.phx.gbl... SqlDataReader dr = command.execute Reader() while dr.Read() dim someField as string = cstr(dr("someCo lumn")) end while
you might wanna check out an introduction on this sorta stuff such as (http://www.sitepoint.com/article/introduction-ado-net/2) which I just got from a google search...
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... I can afford a bit of time to get it going in ADO.net. Have figured out how to get one value with scalar now, I think. The only thing now is working with more data.
I am used to:-
> > "Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message > > news:10******** *****@corp.supe rnews.com... > > > R = conn.execute(SQ L, RecsAffected, adCmdText) > > > For Each F In R.Fields > > > Response.Write( "") 'do nothing > > > Next > > > While Not R.EOF > > > For Each F In R.Fields > > > aValue = F.Value > > > Next > > > R.MoveNext() > > > End While
I think the first line should become R=command.execu teReader, but what class of object is R, and what changes do I have to make to the rest?
Thanks, ME
-- Martin Eyles ma**********@NO SPAM.bytronic.c om
"Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME net> wrote in message news:e$******** ******@TK2MSFTN GP14.phx.gbl... Sorry, you are right, I changed you over from ADODB to ADO.Net...it
does make a difference. I obviously recommend that you move to ADO.Net, but now might not be the correct time for you. If you are just doing this for learning, strongly consider going with ADO.Net, if you have a deadline for a project and ADODB is working, why not wait 'til downtime before
rocking the boat too much.
To use ADODB in a strongly-typed manner, you'll need to add a
reference to Microsoft ActiveX Data Object Library 2.7. You do this in VS.Net by right clicking on "referneces ", selecting "Add Reference", selecting the
"COM" tab and then picking that class.
Once added, you can do thigs like: Dim connection As ADODB.Connectio n = New ADODB.Connectio n connection.Conn ectionString = ""
or
Dim rs as ADODB.Recordset = .....
and pretty much use it all like you are used to...
Karl
-- MY ASP.Net tutorials http://www.openmymind.net/
"Martin Eyles" <ma**********@N OSPAM.bytronic. com> wrote in message news:10******** *****@corp.supe rnews.com... > I have done that now, and the connection object complained that it didn't > have the execute method. I found there is a SqlCommand class too
from an > example in the help, and so have added the following code:- > > anSQLCommand = New System.Data.Sql Client.SqlComma nd > anSQLCommand.Co nnection() = conn > anSQLCommand.Co mmandText = SQL > > My problem is that there are four different execute... methods in
the > SqlCommand object:- NonQuery, Reader, Scalar and XmlReader. Could
you > explain which ones I need, and how to use them? Also, are these
ADODB like > my old code, or are they the new ADO.net classes? Does this make any > difference? > > Thanks again, > Martin > > -- > Martin Eyles > ma**********@NO SPAM.bytronic.c om > > "Karl Seguin" <karl REMOVE @ REMOVE openmymind REMOVEMETOO . ANDME
net> > wrote in message news:Oi******** ******@TK2MSFTN GP10.phx.gbl... > > Marin, > > Glad to see you are turning on Option Explicit and Option Strict. > > > > You can early bind like this: > > > > dim connection as System.Data.Sql Client.SqlConne ction > > > > connection = new System.Data.Sql Client.SqlConne ction > > > > of course, if you Import System.Data.Sql Client at the top of your page, > this > > looks a lot nicer: > > > > dim connection as SqlConnection > > connection = new SqlConnection() > > > > or > > > > dim connection as SqlConnection = new SqlConnection() > > > > > > also look at exception handling (try/catch) and if you are serious about > > properly learning VB.Net, check out > > > http://www.amazon.com/exec/obidos/AS...185744-5788008 > > > > > > Karl > > > > -- > > MY ASP.Net tutorials > > http://www.openmymind.net/
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How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
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In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
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