public void AddDbParameterInfo(string paramName, MemberInfo memberInfo)
{
Func <object, object> valueGetter;
Type memberType;
// 不是属性就必须是字段，不允许其他情况。
var propertyInfo = memberInfo as PropertyInfo;
if (propertyInfo == null)
{
var fieldInfo = (FieldInfo)memberInfo;
valueGetter = FieldAccessorGenerator.CreateGetter(fieldInfo);
memberType = fieldInfo.FieldType;
}
else
{
valueGetter = PropertyAccessorGenerator.CreateGetter(propertyInfo);
memberType = propertyInfo.PropertyType;
}
var info = new DbParameterInfo
{
Name = paramName,
Type = memberType,
ValueGetter = valueGetter
};
_parameterInfos.Add(info);
}
public void AddDbParameterInfo(string paramName, MemberInfo memberInfo)
{
var isPropertyInfo = memberInfo is PropertyInfo;
var memberType = isPropertyInfo
? ((PropertyInfo)memberInfo).PropertyType
: ((FieldInfo)memberInfo).FieldType;
var dbType = DbTypeConvert.LookupDbType(memberType);
if (dbType == DbTypeConvert.NotSupporteDbType)
{
throw new NotSupportedException(string.Format(
"The type {0} can not be converted to a DbType.", memberType));
}
var info = new DbParameterInfo();
info.Name = paramName;
info.DbType = dbType;
info.IsString = memberType == typeof(string);
info.ValueGetter = isPropertyInfo
? PropertyAccessorGenerator.CreateGetter((PropertyInfo)memberInfo)
: FieldAccessorGenerator.CreateGetter((FieldInfo)memberInfo);
_parameterInfos.Add(info);
}