public virtual bool Update(string tableName, object obj, long groups)
{
QL.Database.DbCommandBuilder builder = this.DbHelper.CreateDbCommandBuilder(tableName);
Type type = typeof(DbFieldAttribute);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(obj);
if (properties.Count == 0)
{
return(false);
}
foreach (PropertyDescriptor descriptor in properties)
{
DbFieldAttribute attribute = (DbFieldAttribute)descriptor.Attributes[type];
if (attribute != null)
{
string name = string.IsNullOrEmpty(attribute.Name) ? descriptor.Name : attribute.Name;
if ((!attribute.Identity && !attribute.ReadOnly) && attribute.AllowOperation(groups, false))
{
builder.AddField(name, this.DbHelper.CreateDbParameter(name, attribute.GetDbType(descriptor.PropertyType), attribute.Size, descriptor.GetValue(obj)));
}
if (attribute.PrimaryKey)
{
builder.AddCondition(name, this.DbHelper.CreateDbParameter(name, attribute.GetDbType(descriptor.PropertyType), attribute.Size, descriptor.GetValue(obj)));
}
}
}
return(builder.Update() > 0);
}
internal static Dictionary <string, PropertyDescriptor> GetDbFileds(this Type type)
{
Type type2 = typeof(DbFieldAttribute);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(type);
if (properties.Count == 0)
{
return(null);
}
Dictionary <string, PropertyDescriptor> dictionary = new Dictionary <string, PropertyDescriptor>(properties.Count, StringComparer.OrdinalIgnoreCase);
foreach (PropertyDescriptor descriptor in properties)
{
DbFieldAttribute attribute = (DbFieldAttribute)descriptor.Attributes[type2];
if (attribute != null)
{
string key = string.IsNullOrEmpty(attribute.Name) ? descriptor.Name : attribute.Name;
if (!dictionary.ContainsKey(key))
{
dictionary.Add(key, descriptor);
}
}
}
return(dictionary);
}
public virtual bool Insert(string tableName, object obj, long groups)
{
QL.Database.DbCommandBuilder builder = this.DbHelper.CreateDbCommandBuilder(tableName);
PropertyDescriptor descriptor = null;
Type type = typeof(DbFieldAttribute);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(obj);
if (properties.Count == 0)
{
return(false);
}
foreach (PropertyDescriptor descriptor2 in properties)
{
DbFieldAttribute attribute = (DbFieldAttribute)descriptor2.Attributes[type];
if (attribute != null)
{
if (attribute.Identity)
{
descriptor = descriptor2;
}
else if (!attribute.ReadOnly && attribute.AllowOperation(groups, true))
{
string name = string.IsNullOrEmpty(attribute.Name) ? descriptor2.Name : attribute.Name;
builder.AddField(name, this.DbHelper.CreateDbParameter(name, attribute.GetDbType(descriptor2.PropertyType), attribute.Size, descriptor2.GetValue(obj)));
}
}
}
long num = 0L;
if (builder.HasFields)
{
if (descriptor != null)
{
num = this.ExecuteIdentity(builder.InsertCommandText, builder.Parameters);
if (num > 0L)
{
object obj2 = num;
if (descriptor.PropertyType != typeof(long))
{
obj2 = num.As(descriptor.PropertyType, num);
}
descriptor.SetValue(obj, obj2);
}
}
else
{
num = builder.Insert();
}
}
return(num > 0L);
}
