求助:在窗体1点击按钮出现窗体2

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace WindowsFormsApplication1
{
    public partial class Form1: Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            name_txt.Text = "";
            bj_txt.Text = "08职考班";
        }        private void button1_Click(object sender, EventArgs e)
        {
            if (name_txt.Text == "")
            {
                MessageBox.Show("姓名不得为空!");
            }
            else
            {
                Form2 myForm = new Form2();
                myForm.ShowDialog();
            }
            
        }
    }
}
感谢帮忙修改。

Answer 1

if (name_txt.Text == "")
  {
  MessageBox.Show("姓名不得为空!");
  }
  else
  {
  Form2 myForm = new Form2();
  myForm.ShowDialog();
  }这里有错误   我是不是也要在 form2这个窗体理写什么代码呢？

Answer 2

if (name_txt.Text == "")
  {
  MessageBox.Show("姓名不得为空!");
  }
  else
  {
  Form2 myForm = new Form2();
  myForm.ShowDialog();
  }这里有错误 我是不是也要在 form2这个窗体理写什么代码呢？

Answer 3

------ 已启动生成: 项目: WindowsFormsApplication1, 配置: Debug Any CPU ------
C:\WINDOWS\Microsoft.NET\Framework\v3.5\Csc.exe /noconfig /nowarn:1701,1702 /errorreport:prompt /warn:4 /define:DEBUG;TRACE /reference:"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Core.dll" /reference:"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.DataSetExtensions.dll" /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Data.dll /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Deployment.dll /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.dll /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Drawing.dll /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Windows.Forms.dll /reference:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Xml.dll /reference:"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Xml.Linq.dll" /debug+ /debug:full /filealign:512 /optimize- /out:obj\Debug\WindowsFormsApplication1.exe /resource:obj\Debug\WindowsFormsApplication1.Form1.resources /resource:obj\Debug\WindowsFormsApplication1.cj_txt.resources /resource:obj\Debug\WindowsFormsApplication1.Properties.Resources.resources /target:winexe db1DataSet.Designer.cs Form1.cs Form1.Designer.cs Form2.cs Form2.Designer.cs Program.cs Properties\AssemblyInfo.cs Properties\Resources.Designer.cs Properties\Settings.Designer.cs
E:\soft\WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs(32,17): 错误 CS0246: 找不到类型或命名空间名称“Form2”(是否缺少 using 指令或程序集引用?)
E:\soft\WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs(32,36): 错误 CS0246: 找不到类型或命名空间名称“Form2”(是否缺少 using 指令或程序集引用?)编译完成 -- 2 个错误，0 个警告
========== 生成: 成功 0 个，失败 1 个，最新 0 个，跳过 0 个 ==========
运行后的错误

Answer 4

你的Form2的命名空间是什么？using过来