1:  new Ext.form.NumberField ({allowBlank : false, //是否非空

   2:          blankText : '单价不能为空',//验证错误信息

   3:          decimalPrecision : 0,//数字的精度 

   4:          fieldLabel : '单价',

   5:          id : '_Price',

   6:          name : 'Price'

   7:      })

   8:  ],

   1:  tbar : [new Ext.Button ({allowDepress : false,

   2:          handler : function() {if (add.getComponent('addform').form.isValid()){ //如果验证通过

   3:                                add.getComponent('addform').form.submit(

   4:                                { waitMsg: '数据提交...', 

   5:                                 success: function(form, action) { extWindowPowerBillGrid.store.reload({ params: { start: 0, limit: 3} }); add.close() },

   6:                                 failure: function(form, action) {Ext.MessageBox.alert('错误!',action.result) } }); };},

   7:          iconCls : 'save',

   8:          text : '保存'

   9:      })

  10:  ]