c#循环生成按钮的问题 用循环生成的按钮 需要每次都实例化一个新按钮 怎么在循环外调用这些按钮,一定要拆箱和装箱吗 ?怎么样能在外面随意用 按钮 和给他们定义 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 c#动态生成40个按钮,大小(20,20),要求每行6个放置I乘10除6取整,放置高度*倍数 for (int i=0;i <基本数据DataSet3.Tables [0].Rows .Count ;i++) { int TempInt = i%6;//取余数,计算横坐标用。 int TempInt2= System.Math.Floor(i%6);//取整数,看放置在第几行。 Button myButton = new Button(); myButton.Size = new Size(20, 20); myButton.Text = 基本数据DataSet3.Tables[0].Rows[i][0].ToString(); myButton.Left = 0 + TempInt * 20; myButton.Top = 0 + TempInt2 * 20; this.panel2.Controls.Add(myButton); } //定义for (int i = 0; i < 10; i++){ Button btn = new Button(); btn.ID = "Btn" + i; btn.Text = "Button" + i; btn.Click += ev this.Page.Form.Controls.Add(btn);}//查找Button btnFind = this.Page.Form.FindControl("btn2") as Button;// for (int i = 0; i < 10; i++) { Button btn = new Button(); btn.ID = "Btn" + i; btn.Text = "Button" + i; btn.Click += new EventHandler(Btn_Click); this.Page.Form.Controls.Add(btn); } Button btnFind = this.Page.Form.FindControl("btn2") as Button; protected void Btn_Click(object sender, EventArgs e) { Button Btn = sender as Button; string id = Btn.ID; } for(int i=0 i<.....){ //实例化Button Button myButton=new Button(); //然后跟Button定义属性 myButton.Text= myButton..... } List<object> _list1 = new List<object>(); public void SetButton(int col, int row) { for (int i = 0; i < col; i++) { for (int j = 0; j < row; j++) { MyButton myButton = new MyButton(); myButton.Location = new System.Drawing.Point(this.Size.Width / row * j, this.Size.Height / col * i); myButton.Size = new Size(this.Size.Width /row,this.Size.Height / col-2); myButton.Name = m_iCount.ToString(); myButton.Tag = m_iCount.ToString(); myButton.Text = ""; _list1.Add(myButton);}我是这样写的 但是要在外部调用myButton就要每次都加MyButton myButton1 = (MyButton)sender;不想总这样有其他方法吗 点击一个按钮显示某窗体。第二次点击同一个窗体,隐藏或者关闭某窗体该怎么做? 关于ToolStripStatusLabel显示内容的问题,请教高手!!! DATAGRIDVIEW 怎么绑定不了数据? codesoft CopyImageToFile变量值无法显示 关于语音识别的问题 高手请留步,讨教Post方式发送邮件方式,重分相送 类型转换问题? 怎么才能真正理解MSF 一个ListBox的小问题,帮忙就给50分 webform的ImageButton2怎么设置按下鼠标的图片?? 如何在asp和asp.net中共享Session 如何获取活动目录中的密码?
c#动态生成40个按钮,大小(20,20),要求每行6个放置
I乘10除6取整,放置高度*倍数 for (int i=0;i <基本数据DataSet3.Tables [0].Rows .Count ;i++)
{
int TempInt = i%6;//取余数,计算横坐标用。
int TempInt2= System.Math.Floor(i%6);//取整数,看放置在第几行。
Button myButton = new Button();
myButton.Size = new Size(20, 20);
myButton.Text = 基本数据DataSet3.Tables[0].Rows[i][0].ToString();
myButton.Left = 0 + TempInt * 20;
myButton.Top = 0 + TempInt2 * 20;
this.panel2.Controls.Add(myButton);
}
//定义
for (int i = 0; i < 10; i++)
{
Button btn = new Button();
btn.ID = "Btn" + i;
btn.Text = "Button" + i;
btn.Click += ev
this.Page.Form.Controls.Add(btn);
}//查找
Button btnFind = this.Page.Form.FindControl("btn2") as Button;
//
for (int i = 0; i < 10; i++)
{
Button btn = new Button();
btn.ID = "Btn" + i;
btn.Text = "Button" + i;
btn.Click += new EventHandler(Btn_Click);
this.Page.Form.Controls.Add(btn); } Button btnFind = this.Page.Form.FindControl("btn2") as Button;
protected void Btn_Click(object sender, EventArgs e)
{
Button Btn = sender as Button;
string id = Btn.ID;
}
{
//实例化Button
Button myButton=new Button();
//然后跟Button定义属性
myButton.Text=
myButton.....
}
public void SetButton(int col, int row)
{ for (int i = 0; i < col; i++)
{
for (int j = 0; j < row; j++)
{ MyButton myButton = new MyButton();
myButton.Location = new System.Drawing.Point(this.Size.Width / row * j, this.Size.Height / col * i);
myButton.Size = new Size(this.Size.Width /row,this.Size.Height / col-2);
myButton.Name = m_iCount.ToString();
myButton.Tag = m_iCount.ToString();
myButton.Text = "";
_list1.Add(myButton);}
我是这样写的 但是要在外部调用myButton就要每次都
加MyButton myButton1 = (MyButton)sender;
不想总这样有其他方法吗