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VFPOLEDB and Parameters
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À
29/06/2004 17:19:46
Information générale
Forum:
ASP.NET
Catégorie:
ADO.NET
Divers
Thread ID:
00918644
Message ID:
00918707
Vues:
8
What command do you execute? Do you have
OleDbReader myReader = objCmd.ExecuteReader();
Or you use another command?

>I get
>
>
>No value give for one or more parameters.
>
>
>>One other thing. Try changing your command to the following syntax:
>>
>>
>>OleDbCommand objCmd = new OleDbCommand("select * from customers where CustomerID = (?)");
>>objCmd.Parameters.Add("@myParam", "ALFKI");
>>
>>
>>Note that you don't need the "myParam" in the SQL Select.
>>
>>HTH.
>>
>>>I tried:
>>>
>>>OleDbCommand objCmd = new OleDbCommand("select * from customers where CustomerID = ?myParam");
>>>objCmd.Parameters.Add("@myParam", "ALFKI");
>>>
>>>
>>>gives me
>>>
>>>
>>>Command contains unrecognized phrase/keyword.
>>>
>>>
>>>and
>>>
>>>
>>>OleDbCommand objCmd = new OleDbCommand("select * from customers where CustomerID = ?myParam");
>>>objCmd.Parameters.Add("@myParam", "ALFKI");
>>>
>>>
>>>gives me
>>>
>>>
>>>Missing operand.
>>>
>>>>I think you are missing "@" in your syntax. I think it should be
>>>>
>>>>
>>>>objCmd.Parameters.Add("@CustomerID", "ALFKI");
>>>>
>>>>
>>>>HTH.
>>>>
>>>>>I'm using the VFPOLEDB provider and I am creating a command object like this:
>>>>>
>>>>>
>>>>>OleDbCommand objCmd = new OleDbCommand("select * from customers where CustomerID = ?");
>>>>>objCmd.Parameters.Add("CustomerID", "ALFKI");
>>>>>
>>>>>
>>>>>When I execute this command I am getting an OleDbException that says:
>>>>>
>>>>>
>>>>>No value given for one or more required parameters.
>>>>>
>>>>>
>>>>>How do I use the parameter collection to pass parementers to commands?
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