网页跑起来报,Wrong column type in YZGL.XT_XTYH for column yhxm. Found: varchar2, Expected NVARCHAR2(255)
数据字段 public virtual string yhxm { get; set; }
mappping 语句
Property(p => p.yhxm, Mapping =>
{
Mapping.Column("yhxm");
该怎么处理