2013年9月9日 星期一

C# ASP.NET form1 的 Default Button

C# ASP.NET form1 的 Default Button


Sample 1
HTML:
  1. <body>
  2.     <form id="form1" runat="server" defaultbutton="Button2">
  3.     <div>
  4.         <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
  5.         <asp:Button ID="Button1" runat="server" Text="Button" /><br />
  6.         <asp:Button ID="Button2" runat="server" Text="Button" onclick="Button2_Click" /><br />
  7.     </div>
  8.     </form>
  9. </body>

C#:
  1. public partial class Test_tsDefaultButton : System.Web.UI.Page
  2. {
  3.     protected void Page_Load(object sender, EventArgs e)
  4.     {
  5.      
  6.     }
  7.     protected void Button2_Click(object sender, EventArgs e)
  8.     {
  9.         ScriptManager.RegisterStartupScript(this, typeof(string), "Location", "alert(\"Butonn2\");", true);
  10.     }
  11. }

Sample 2
HTML:
  1. <body>
  2.     <form id="form1" runat="server">
  3.     <div>
  4.         <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
  5.         <asp:Button ID="Button1" runat="server" Text="Button" /><br />
  6.         <asp:Button ID="Button2" runat="server" Text="Button" onclick="Button2_Click" /><br />
  7.     </div>
  8.     </form>
  9. </body>

C#:
  1. public partial class Test_tsDefaultButton : System.Web.UI.Page
  2. {
  3.     protected void Page_Load(object sender, EventArgs e)
  4.     {
  5.         #region Default Button
  6.         Button btn = (Button)this.form1.FindControl("Button2");
  7.         this.Form.DefaultButton = btn.UniqueID;
  8.         #endregion
  9.         #region Default Button UserControl Sample
  10.         //Button  btn  =  (Button)UserControl1.FindControl("Button2");
  11.         //this.form1.DefaultButton = btn.UniqueID;
  12.         #endregion
  13.     }
  14.     protected void Button2_Click(object sender, EventArgs e)
  15.     {
  16.         ScriptManager.RegisterStartupScript(this, typeof(string), "Location", "alert(\"Butonn2\");", true);
  17.     }
  18. }
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