place this code in your controller class
protected void dialogPostRun()
{
sysOperationDialog sysOperationDialog;
DialogTabPage batchTab;
FormRun formRun;
super();
sysOperationDialog = this.dialog() as SysOperationDialog;
formRun = sysOperationDialog.formRun();
batchTab = sysOperationDialog.batchDialogTabPage();
formRun.selectControl(batchTab.control());
}