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DbSession.Default.fromSql("select * from products where productid=pid").AddInParameter("pid", DbType.Int32, 1).ToDataTable();

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DbParameter[] parameters = new DbParameter[2];
parameters[0] = DbSession.Default.Db.DbProviderFactory.CreateParameter();
parameters[0].DbType = DbType.Int32;
parameters[0].ParameterName = "pid";
parameters[0].Value = 1;
parameters[1] = DbSession.Default.Db.DbProviderFactory.CreateParameter();
parameters[1].DbType = DbType.Int32;
parameters[1].ParameterName = "cid";
parameters[1].Value = 2;
DbSession.Default.fromSql("select * from products where productid=pid or categoryid=cid")
.AddParameter(parameters)
.ToDataTable();

 
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DbSession.Default.fromSql("select * from products where productid=pid or categoryid=cid")
.AddInParameter("pid", DbType.Int32, 1)
.AddInParameter("cid", DbType.Int32, 2)
.ToDataTable();

 
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