private void InitClass() {
this.columngroup = new global::System.Data.DataColumn("group", typeof(string), null, global::System.Data.MappingType.Attribute);
base.Columns.Add(this.columngroup);
this.columnsrc = new global::System.Data.DataColumn("src", typeof(string), null, global::System.Data.MappingType.Attribute);
base.Columns.Add(this.columnsrc);
this.columntype = new global::System.Data.DataColumn("type", typeof(string), null, global::System.Data.MappingType.Attribute);
base.Columns.Add(this.columntype);
this.columngroup.AllowDBNull = false;
this.columngroup.Namespace = "";
this.columngroup.DefaultValue = ((string)("General"));
this.columnsrc.AllowDBNull = false;
this.columnsrc.Namespace = "";
this.columntype.AllowDBNull = false;
this.columntype.Namespace = "";
}