private void 用户信息查询ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (level1 == "管理员")
     {
         Edit_User edit = new Edit_User();
         edit.ShowDialog();
     }
     if (level1 == "用户")
     {
         Add_User add = new Add_User();
         add.type = "4";
         add.ShowDialog();
     }
 }
 private void Edit_Info_Click(object sender, EventArgs e)
 {
     if (level1 == "管理员")
     {
         Edit_User edit = new Edit_User();
         edit.ShowDialog();
     }
     if (level1 == "用户")
     {
         Add_User edit = new Add_User();
         edit.type = "3";
         edit.ShowDialog();
     }
 }
 private void 用户信息修改ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (PublicPassBy.level == "管理员")
     {
         Edit_User edit = new Edit_User();
         edit.ShowDialog();
     }
     if (level1 == "用户")
     {
         Add_User edit = new Add_User();
         edit.type = "3";
         edit.ShowDialog();
     }
 }