public static string GetWherePKPredicate(RowInfo rowInfo)
{
DbSetInfo dbSetInfo = rowInfo.dbSetInfo;
FieldInfo[] pkFieldsInfo = dbSetInfo.GetPKFieldInfos();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < pkFieldsInfo.Length; ++i)
{
if (i > 0)
{
sb.Append(" and ");
}
sb.AppendFormat("{0}=@{1}", pkFieldsInfo[i].fieldName, i);
}
string predicate = sb.ToString();
return(predicate);
}