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Insert into Oracle using parameters with OracleClient

Posted on 2006-10-22
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Last Modified: 2012-05-05
The following code works, but I need to use a parameter for city because I am looping through a list.
            
OracleConnection conn = new OracleConnection(connectionString);
OracleCommand command = conn.CreateCommand();
OracleTransaction transaction;
conn.Open();
transaction = conn.BeginTransaction(IsolationLevel.ReadCommitted);
command.Transaction = transaction;
command.CommandText =
"INSERT INTO address (city) values ('test')";
command.ExecuteNonQuery();
transaction.Commit();
conn.Close();

Thanks!
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Question by:vandy02
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Rytmis earned 250 total points
ID: 17784504
// Use a named parameter "city" in the query
command.CommandText = "INSERT INTO address (city) values (:city)";

// Create a new OracleParameter object, bound to a named parameter called "city"
OracleParameter param = new OracleParameter("city", OracleType.Varchar2);

// Set the value for the parameter
param.Value = "Test";

// Add the parameter to the command's parameter collection
command.Parameters.Add(param);

Before you re-use the same command, call:

command.Parameters.Clear();

to make sure you don't accidentally re-use the old parameters as well.
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