基本的Web控件四

时间：2022-04-14 03:13:56

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" BulletStyle="Square">

        </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

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