DataAdapter填充DataSet时出现数据关联错误
主要代码如下:
string connectstr = System.Configuration.ConfigurationSettings.AppSettings.Get"ConnectionString");
string selectcmdStr = "select * from XM where XM_BH = :bh";
OracleConnection cn = new OracleConnection(connectstr);
OracleCommand cmd = new OracleCommand(selectcmdStr,cn);
cmd.Parameters.Add(":bh",OracleType.VarChar,16).Value = xmbh;
try
{
cn.Open();
OracleDataAdapter da = new OracleDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds,"XMRecord");//该语句报出异常
...
}
已经确定Web.config中ConnectionString字符串无错误,在网上找了好几天类似问题,还是没有解决,请教高人,到底是什么问题引起的?多谢