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C# code:

string sql = @"Update TestTb Set TbName = :TbName,TbContent =:TbContent where TbId = :TbId";
OracleCommand cm = new OracleCommand(sql, new OracleConnection(this.Connection.ConnectionString));
cm.Connection.Open();
cm.Parameters.Add("TbName", OracleType.VarChar).Value = model.TbName;
cm.Parameters.Add("TbContent ", OracleType.Clob).Value = model.TbContent ;
cm.Parameters.Add("TbId ", OracleType.Number).Value = model.TbId ;
try
{
cm.ExecuteNonQuery();
}
catch
{
}



TbContent ÔÚÊý¾Ý¿âÀïµÄÀàÐÍΪClob  Èç¹ûÎÒÓÃOracleType.Clob µÄ»°»á³ö´í¡£
Óû§´úÂëδ´¦Àí System.Data.OracleClient.OracleException
  Message="ORA-01084: OCI µ÷ÓÃÖеIJÎÊýÎÞЧ"
  Source="System.Data.OracleClient"
  ErrorCode=-2146232008
  Code=1084
¶ø¸Ä³É OracleType.VarChar µÄ»°¾ÍûÓÐÎÊÌâ¡£



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