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 Question about using Parameters in SQLStatements

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jswisher

Posts: 5
Posted: 07/26/2010, 7:09 PM

The following is the code. This is what I am trying to do. I am looping through an Excel spreadsheet and loading into the database. With Dao overriden it seems that I have a limited number of options when using the Parameter methods. I received the following error when I run this code. "System.Data.OleDb.OleDbException: Must declare the scalar variable "@Temp_File_Name".

I have working where I just build the SQL string value from the insert statement but I ran into a problem with embeded quotes. It works sort of - I have to drop all quotes out of the data.

Any suggestions would be appreciated.



DataAccessObject NewDao=Settings.newmarkdbDataAccessObject;

string sqlIns = "INSERT INTO TEMP_LEASE (Temp_File_Name,Country,City,State) VALUES (@Temp_File_Name, @Country, @City, @State)";
// string sqlIns = "INSERT INTO TEMP_LEASE (Temp_File_Name,Country,City,State) VALUES (?, ?, ?, ?)";

SqlCommand cmdIns = new SqlCommand(sqlIns, NewDao);


while (odr.Read())
{
country = valid(odr, 1);//Here we are calling the valid method
state = valid(odr, 2);
city = valid(odr, 3);
lstate = valid(odr, 4);
address = valid(odr, 5);
//Here using this method we are inserting the data into the database

cmdIns.Parameters.Add("@Temp_File_Name", filename);
cmdIns.Parameters.Add("@Country", country);
cmdIns.Parameters.Add("@City", city);
cmdIns.Parameters.Add("@State", lstate);

cmdIns.ExecuteNonQuery();
//cmdIns.ExecuteScalar();

}

objConn.Close();
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