Mega Code Archive
Pass parameters to OdbcCommand
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using System;
using System.Data;
using System.Data.Odbc;
class CommandOdbcExample{
static void Main() {
OdbcConnection thisConnection = new OdbcConnection("DRIVER={MySQL ODBC 3.51 Driver};SERVER=localhost;DATABASE=test;UID=root;PASSWORD=;");
OdbcCommand nonqueryCommand = thisConnection.CreateCommand();
try {
thisConnection.Open();
nonqueryCommand.CommandText = "CREATE TABLE MyTable (MyName VARCHAR (30), MyNumber integer)";
Console.WriteLine(nonqueryCommand.CommandText);
nonqueryCommand.ExecuteNonQuery();
nonqueryCommand.CommandText = "INSERT INTO MyTable VALUES (?, ?)";
nonqueryCommand.Parameters.Add("@MyName", OdbcType.VarChar, 30);
nonqueryCommand.Parameters.Add("@MyNumber", OdbcType.Int);
// nonqueryCommand.Prepare();
string[] names = { "A", "B", "C", "D" } ;
int i;
for (i=1; i<=4; i++){
nonqueryCommand.Parameters["@MyName"].Value = names[i-1];
nonqueryCommand.Parameters["@MyNumber"].Value = i;
Console.WriteLine(nonqueryCommand.CommandText);
Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery());
}
nonqueryCommand.CommandText = "SELECT MyName, MyNumber FROM MyTable";
OdbcDataReader thisReader = nonqueryCommand.ExecuteReader();
while (thisReader.Read()) {
Console.WriteLine("Name and Number: {0} {1}", thisReader.GetValue(0), thisReader.GetValue(1));
}
thisReader.Close();
nonqueryCommand.CommandText = "DROP TABLE MyTable";
nonqueryCommand.ExecuteNonQuery();
}
catch (OdbcException ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
thisConnection.Close();
Console.WriteLine("Connection Closed.");
}
}
}
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