基本的Web控件四
2018-06-17 20:57:13来源:未知 阅读 ()
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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