Oracle中对超长内容的处理，避免出现can bind a LONG value only for insert into a LONG column错误

         public   bool  Insert(Hashtable recordField,  string  targetTable, DbTransaction trans)
        {
             bool  result  =   false ;
             string  fields  =   "" ;  //  字段名
             string  vals  =   "" ;  //  字段值
             if  ( recordField  ==   null   ||  recordField.Count  <   1  )
            {
                 return  result;
            }

            List < OracleParameter >  paramList  =   new  List < OracleParameter > ();
            IEnumerator eKeys  =  recordField.Keys.GetEnumerator();

             while  ( eKeys.MoveNext() )
            {
                 string  field  =  eKeys.Current.ToString();
                fields  +=  field  +   " , " ;
                 if  ( ! string .IsNullOrEmpty(seqField)  &&   ! string .IsNullOrEmpty(seqName)
                     &&  (field.ToUpper()  ==  seqField.ToUpper()))
                {
                    vals  +=   string .Format( " {0}.NextVal, " , seqName);
                }
                 else
                {
                    vals  +=   string .Format( " :{0}, " , field);
                     object  val  =  recordField[eKeys.Current.ToString()];
                    paramList.Add( new  OracleParameter( " : "   +  field, val));
                }
            }

            fields  =  fields.Trim( ' , ' ); // 除去前后的逗号
            vals  =  vals.Trim( ' , ' ); // 除去前后的逗号
             string  sql  =   string .Format( " INSERT INTO {0} ({1}) VALUES ({2}) " , targetTable, fields, vals);

            Database db  =  DatabaseFactory.CreateDatabase();
            DbCommand command  =  db.GetSqlStringCommand(sql);
            command.Parameters.AddRange(paramList.ToArray());

             if  ( trans  !=   null  )
            {
                result  =  db.ExecuteNonQuery(command, trans)  >   0 ;
            }
             else
            {
                result  =  db.ExecuteNonQuery(command)  >   0 ;
            }

             return  result;
        }