/// <summary>
/// 新增一筆資料並更新 Identity
/// </summary>
public virtual bool Insert(T model, IEnumerable <string> columns)
{
var cmd = SqlCommandHelper.GenerateInsert(model, columns);
object identity = SqlHelper.ExecuteScalar(cmd);
if (identity != null && identity != DBNull.Value)
{
var prop = CSharpHelper.GetIdentityProperty <T>();
prop.SetValue(model, identity);
}
return(true);
}