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[ASP.net教程]基本的Web控件四


基本的Web控件用法二

 

ListBox控件

  页面布局:

<div>    <h1>ListBox控件</h1>    学生列表:    <br/>    <asp:ListBox ID="ListBox1" runat="server" Width="100" Height="100" OnSelectedIndexChanged="ListBox1_SelectedIndexChanged“AutoPostBack="true">    </asp:ListBox>    <br />    <asp:Label ID="Label1" runat="server" Text=""></asp:Label>    <br/></div>

  后台代码:

protected void Page_Load(object sender, EventArgs e){      if (!Page.IsPostBack)      {        //生成数据        DataSet ds = new DataSet();        ds.Tables.Add("stu");        ds.Tables["stu"].Columns.Add("stuNo", typeof(int));        ds.Tables["stu"].Columns.Add("stuName", typeof(string));        ds.Tables["stu"].Columns.Add("stuScore", typeof(int));        ds.Tables["stu"].Rows.Add(new object[] { 1, "王聪", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 2, "李宁", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 3, "菡萏", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 4, "青松", 100 });        //绑定到ListBox控件        this.ListBox1.DataSource = ds.Tables["stu"];        this.ListBox1.DataValueField = "stuNo";        this.ListBox1.DataTextField = "stuName";        this.ListBox1.DataBind();      }    }
protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e){ this.Label1.Text = "你选择的学生是:" + this.ListBox1.SelectedItem.Text.ToString();}

 

DropDownList控件

  页面布局:

<div>    <h1>DropDownList控件</h1>    学生列表:    <br/>    <asp:DropDownList ID="DropDownList1" Font-Size="Large" runat="server" AutoPostBack="true" Width="146px" 
OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"> </asp:DropDownList> <br/> <asp:Label ID="Label1" runat="server"></asp:Label> <hr/> <hr/></div>

  后台代码:

protected void Page_Load(object sender, EventArgs e){      if (!Page.IsPostBack)      {        //生成数据        DataSet ds = new DataSet();        ds.Tables.Add("stu");        ds.Tables["stu"].Columns.Add("stuNo", typeof(int));        ds.Tables["stu"].Columns.Add("stuName", typeof(string));        ds.Tables["stu"].Columns.Add("stuScore", typeof(int));        ds.Tables["stu"].Rows.Add(new object[] { 1, "王聪", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 2, "李宁", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 3, "菡萏", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 4, "青松", 100 });        //绑定到ListBox控件        this.DropDownList1.DataSource = ds.Tables["stu"];        this.DropDownList1.DataValueField = "stuNo";        this.DropDownList1.DataTextField = "stuName";        this.DropDownList1.DataBind();      }}protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e){      this.Label1.Text = "你选择的学生是:" + this.DropDownList1.SelectedItem.Text.ToString();}

 

CheckBoxList控件

  页面布局:

<div>    <h1>CheckBoxList控件</h1>    <asp:CheckBoxList ID="CheckBoxList1" runat="server" OnSelectedIndexChanged="CheckBoxList1_SelectedIndexChanged"
AutoPostBack="true" Width="180px"> </asp:CheckBoxList> <br/> <asp:Label ID="Label1" runat="server"></asp:Label> <hr/> <hr/></div>

  后台代码:

protected void Page_Load(object sender, EventArgs e){      if (!Page.IsPostBack)      {        //生成数据        DataSet ds = new DataSet();        ds.Tables.Add("stu");        ds.Tables["stu"].Columns.Add("stuNo", typeof(int));        ds.Tables["stu"].Columns.Add("stuName", typeof(string));        ds.Tables["stu"].Columns.Add("stuScore", typeof(int));        ds.Tables["stu"].Rows.Add(new object[] { 1, "王聪", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 2, "李宁", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 3, "菡萏", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 4, "青松", 100 });        //绑定到ListBox控件        this.CheckBoxList1.DataSource = ds.Tables["stu"];        this.CheckBoxList1.DataValueField = "stuNo";        this.CheckBoxList1.DataTextField = "stuName";        this.CheckBoxList1.DataBind();      }}

 

RadioButtonList控件

  页面布局:

<div>    <h1>RadioButtonList控件</h1>    <asp:RadioButtonList ID="RadioButtonList1" runat="server" Width="180px" AutoPostBack="true">    </asp:RadioButtonList>    <hr/>    <hr/</div>

  后台代码:

protected void Page_Load(object sender, EventArgs e){      if (!Page.IsPostBack)      {        //生成数据        DataSet ds = new DataSet();        ds.Tables.Add("stu");        ds.Tables["stu"].Columns.Add("stuNo", typeof(int));        ds.Tables["stu"].Columns.Add("stuName", typeof(string));        ds.Tables["stu"].Columns.Add("stuScore", typeof(int));        ds.Tables["stu"].Rows.Add(new object[] { 1, "王聪", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 2, "李宁", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 3, "菡萏", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 4, "青松", 100 });        //绑定到ListBox控件        this.RadioButtonList1.DataSource = ds.Tables["stu"];        this.RadioButtonList1.DataValueField = "stuNo";        this.RadioButtonList1.DataTextField = "stuName";        this.RadioButtonList1.DataBind();      }}

 

BulletedList控件

  页面布局:

<div>    <h1>BulletedList控件</h1>    <asp:BulletedList ID="BulletedList1" runat="server" Bullet>    </asp:BulletedList>    <hr/>    <hr/></div>

  后台代码:

protected void Page_Load(object sender, EventArgs e)    {      if (!Page.IsPostBack)      {        //生成数据        DataSet ds = new DataSet();        ds.Tables.Add("stu");        ds.Tables["stu"].Columns.Add("stuNo", typeof(int));        ds.Tables["stu"].Columns.Add("stuName", typeof(string));        ds.Tables["stu"].Columns.Add("stuScore", typeof(int));        ds.Tables["stu"].Rows.Add(new object[] { 1, "王聪", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 2, "李宁", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 3, "菡萏", 100 });        ds.Tables["stu"].Rows.Add(new object[] { 4, "青松", 100 });        //绑定到ListBox控件        this.BulletedList1.DataSource = ds.Tables["stu"];        this.BulletedList1.DataValueField = "stuNo";        this.BulletedList1.DataTextField = "stuName";        this.BulletedList1.DataBind();      }}

 

 Table控件

  页面布局:

<div>    <h1>Table控件</h1>    动态操作表控件<br/>    行数:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>    列数:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>    <br/>    <asp:Button ID="Button1" runat="server" Text="动态生成" OnClick="Button1_Click" />    <br/>    <asp:Table ID="Table1" runat="server" Caption="动态操作表控件" CellPadding="1" CellSpacing="1" GridLines="Both">         </asp:Table>     <hr/>    <hr/></div>

  后台代码:

protected void Button1_Click(object sender, EventArgs e){      int rowNum = 0;     //定义行数      int rowCount = 0;    //定义当前行数      int cellNum = 0;    //定义列数      int cellCount = 0;   //定义当前列数      //获取用户输入的行数和列数      try      {        rowNum = int.Parse(TextBox1.Text);        cellNum = int.Parse(TextBox2.Text);      }      catch      {        rowCount = 1;        cellCount = 1;      }      for (rowCount = 1; rowCount <= rowNum; rowCount++)      {        //为Table1表添加一行        TableRow tRow = new TableRow();        Table1.Rows.Add(tRow);        for (cellCount = 1; cellCount <= cellNum; cellCount++)        {          //创建单元格并添加到表中          TableCell tCell = new TableCell();          tRow.Cells.Add(tCell);          //添加一个用来包含文本的Literal类,作为控件添加到单元格中          tCell.Controls.Add(new LiteralControl("当前位置:"));          //创建一个Hyperlink控件并把它添加到单元格中          System.Web.UI.WebControls.HyperLink h = new HyperLink();          h.Text = rowCount + ":" + cellCount;          h.NavigateUrl = "http://www.microsoft.com/net";          tCell.Controls.Add(h);         }      }}

 

 原文链接:

http://blog.csdn.net/spilledlight/article/details/48712381