有关一个继承的问题（急）！！！！！！！！！！！！！

Question

在2003中继承窗体报这样的错误怎么解决？
 “试图创建 FinaSystem.Charge.FmChargeBase 的实例时发生异常。异常为“未将对象引用设置到对象的实例。”。
在错误中这样写的。。高分求！！！！！！！！！！！！！！！！！！！！！！！

Answer 1

hdt(倦怠) 啥意思能不能说明白一些阿，，谢谢了，如果通了我给你加分阿，还有yuchangmao(学习孟子)

Answer 2

这是FmChargeBase代码：
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using SysBusiness.BLL;
using SysBusiness.Entire;
using System.Data ;namespace FinaSystem.Charge
{
/// <summary>
/// FmChargeBase 的摘要说明。
/// </summary>
public class FmChargeBase : System.Windows.Forms.Form
{
protected System.Windows.Forms.GroupBox gpseekinfo;
protected System.Windows.Forms.GroupBox gpchargeinfo;
private   System.ComponentModel.IContainer components =null;
protected System.Windows.Forms.GroupBox groupBox1;
protected System.Windows.Forms.Label lblmemo;
protected System.Windows.Forms.Label lblmode;
protected System.Windows.Forms.Label lbldate;
protected System.Windows.Forms.Label lblpeople;
protected System.Windows.Forms.Label lblcode;
protected System.Windows.Forms.Label lblcharge;
protected System.Windows.Forms.NumericUpDown chargemoney;
protected System.Windows.Forms.Panel plcharge;
protected System.Windows.Forms.Panel plstrictlist;
protected internal System.Windows.Forms.Label lblbalance;
protected System.Windows.Forms.Label lblwill;
protected System.Windows.Forms.Label lblalready;
protected System.Windows.Forms.Label lblmust;
protected System.Windows.Forms.Panel plseek;
protected System.Windows.Forms.Label lblterm;
protected System.Windows.Forms.Label lblyear;
protected System.Windows.Forms.Button btnseek;
protected System.Windows.Forms.GroupBox gpchargitem;
protected System.Windows.Forms.StatusBar statusBar1;
protected System.Windows.Forms.Label lblxm;
protected System.Windows.Forms.Label lblxh;
protected System.Windows.Forms.Label lblsfzh;
protected System.Windows.Forms.Label lblksh;
protected System.Windows.Forms.Label lbljfzy;
protected System.Windows.Forms.Label lblzxzy;
protected System.Windows.Forms.Label lblbj;
protected System.Windows.Forms.Label lblname;
private System.Windows.Forms.StatusBarPanel statusBarPanel1;
protected System.Windows.Forms.GroupBox gpstudentinfo;
protected System.Windows.Forms.Label lblspecchange;
protected System.Windows.Forms.TextBox tbxnowspec;
protected System.Windows.Forms.TextBox tbxcurspec;
protected System.Windows.Forms.TextBox tbxtzsh1;
protected System.Windows.Forms.TextBox tbxidcard;
protected System.Windows.Forms.TextBox tbxxh;
protected System.Windows.Forms.TextBox tbxname1;
protected System.Windows.Forms.ComboBox chargemode;
protected System.Windows.Forms.CheckBox isloan;
protected System.Windows.Forms.TextBox chargecode;
protected System.Windows.Forms.TextBox chargepeople;
protected System.Windows.Forms.TextBox tbxmemo;
protected System.Windows.Forms.TextBox tbxname;
protected System.Windows.Forms.TextBox tbxcommon;
protected System.Windows.Forms.RadioButton rbtzsh;
protected System.Windows.Forms.RadioButton rbidcard;
protected System.Windows.Forms.TextBox tbxgrade;
protected System.Windows.Forms.RadioButton rbxh;
protected System.Windows.Forms.DateTimePicker dtp1;
protected System.Windows.Forms.Button btnsave;
protected System.Windows.Forms.Button chargeinlog;
protected System.Windows.Forms.Button btnexit;
protected System.Windows.Forms.PictureBox pictureBox1;
protected System.Windows.Forms.Label label1;
protected System.Windows.Forms.Label label2;
protected System.Windows.Forms.Label label3;
protected System.Windows.Forms.Panel plItems;
protected System.Windows.Forms.ComboBox cmbterm;
protected System.Windows.Forms.ComboBox cmbyear;

#region 字段

protected TStudent stuObject =null;
protected IList stuList =null;
protected TItemList UserfulList =null;
protected TStudentBLL stuBLL =new TStudentBLL();
protected YGTS curYgts ;
protected string CurYear="",CurTerm="",CurGrade="";
protected string OwnerGroup ="";
protected TNoticeListBLL nlistObject =null; protected TNoticeList lastNoticeList =null;
protected CommonBase baseObject =new CommonBase();
protected System.Windows.Forms.Panel pnlinfo;
protected System.Windows.Forms.PictureBox pbxchange;
protected DataSet dsTemp =null;
#endregion
public FmChargeBase()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//

} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}