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c#用户控件

Jun 06, 2016 pm 08:01 PM
controllanguagephpcontroluser

前台: %@ Control Language="C#" AutoEventWireup="true" CodeFile="ChenLogin.ascx.cs" Inherits="ChenLogin" % asp:TextBox ID="TextBox1" runat="server"/asp:TextBox asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /

前台:

 

 

    function winpup()

    {

        if ( document.getElementById('').value == "")

        {

            alert("不能为空!");

            return false;

        }

        else

        {

            alert("chen");

            return true;

        }

    }

 

 

 

后台:

 

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

using System.ComponentModel;

 

public partial class ChenLogin : System.Web.UI.UserControl

{

    private string txtname = "";

    private string reuri = "";

    private string datasource = "";

    private string lbltext = "请填写。";

 

    public string Txtname

    {

        get

        {

            return this.TextBox1.Text.Trim();

        }

    }

 

    public string ReURI

    {

        set

        {

            reuri = value;

        }

    }

 

    public string DataSources

    {

        set

        {

            datasource = value;

        }

    }

 

    //[Category("Demo"), Description("Demo from idothink.com")]

    public string LblText

    {

        get

        {

            return lbltext;

        }

        set

        {

            lbltext = value;

            this.Invalidate();

        }

    }

 

    private void Invalidate()

    {

        this.Label1.Text = lbltext;

    }

 

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            Button1.Attributes.Add("onclick", "return winpup();");

            Button1.Attributes.Add("style", "border:1px solid #F00;color:#F00;");

        }

    }

 

    //protected override void OnPaint(PaintEventArgs pe)

    //{

    //    // Calling the base class OnPaint

    //    base.OnPaint(pe);

 

    //    // Custom paint code here

    //    pe.Graphics.DrawString(

    //    helloValue,

    //    Font,

    //    new SolidBrush(ForeColor),

    //    ClientRectangle, new StringFormat());

    //}

 

 

 

    protected void Button1_Click(object sender, EventArgs e)

    {

        //Response.Redirect(reuri);

        this.Label1.Text = this.TextBox1.Text;

    }

}

 

如何引用用户控件请查看:

http://blog.csdn.net/ajaxchen_615/archive/2009/05/22/4208247.aspx

 

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