private string GetHashValue()
{
var argList = new List <object>(this.Columns.Length * 4);
foreach (var item in this.Columns)
{
if (item.Name == CremaSchema.__ParentID__ || item.Name == CremaSchema.__RelationID__)
{
continue;
}
argList.Add(item.DataType);
argList.Add(item.Name);
argList.Add(item.IsKey);
argList.Add(item.IsUnique);
}
return(CremaDataTable.GenerateHashValue(argList.ToArray()));
}