自己写了个上传图片的用户自定义控件，想封装成dll,添加到工具箱，可以直接拖拽使用，使用时设置相关属性即可（类似分页控件的那种），没有相关的知识，不知如何封装？请个位高手给个教程，或者思路（要学习哪些相关知识）？如果自定义控件还调用了js或jQuery，可以一起封装到dll里吗？代码如下
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ImgUpLoad.ascx.cs" Inherits="Ctrls_ImgUpLoad" %>
<div class="UC_UpImgContainer">
<asp:Image ID="Img" CssClass="UC_UpImg" runat="Server" BorderStyle="Solid" BorderWidth="1"
BorderColor="#D0D0D0" Width="125px" Height="90px" onerror="javascript:this.src='../Images/nophoto.jpg'" /><br />
<asp:Label ID="lbTitle" runat="Server">图片地址：</asp:Label>
<asp:TextBox ID="TbImgUrl" runat="Server"></asp:TextBox>
<asp:Button ID="BtnUrl" CausesValidation="false" runat="Server" Text=" 确 定 " OnClick="BtnUrl_Click" /><br />
上传图片：<asp:FileUpload ID="FuImg" runat="Server" /><br />
<asp:Button ID="UpBtn" runat="Server" CausesValidation="false" Text="上传图片" OnClick="UpBtn_Click" />
<asp:HiddenField ID="ImgUrl" Value="" runat="Server" />
<asp:HiddenField ID="HFArg" Value="" runat="Server" />
<script type="text/javascript">
$("#<%=this.BtnUrl.ClientID %>").click(function() {
var TbImgUrl = $("#<%=this.TbImgUrl.ClientID %>");
if (!TbImgUrl.val()) {
alert("请输入图处地址");
return false;
}
});
</script>
</div>
public partial class Ctrls_ImgUpLoad : System.Web.UI.UserControl
{
public int ImgSize { get; set; }
public int ImgHeight { get; set; }
public int ImgWidth { get; set; }
public bool DisEnable { get; set; }
/// <summary>
/// 图片地址
/// </summary>
public string ImgSrc { get { return ImgUrl.Value; } set { Img.ImageUrl = value; ImgUrl.Value = value; TbImgUrl.Text = value; } }
public string CommandArg { get { return HFArg.Value; } set { HFArg.Value = value; } }
public string CommandName { get; set; }
public event EventHandler ImgChanged;
ClientScriptManager csm;
protected void Page_Init(object sender, EventArgs e)
{
csm = this.Page.ClientScript;
UpBtn.Attributes.Add("OnClick", "return CheckNoneImg('#" + this.FuImg.ClientID + "');");
if (ImgWidth > 0) { Img.Width = ImgWidth; }
if (ImgHeight > 0) { Img.Height = ImgHeight; }
}
protected void Page_Load(object sender, EventArgs e)
{
}
protected void BtnUrl_Click(object sender, EventArgs e)
{
Img.ImageUrl = TbImgUrl.Text;
ImgUrl.Value = TbImgUrl.Text;
if (ImgChanged != null)
{
ImgChanged.Invoke(this, null);
}
}
void admin_Ctrls_ImgUpLoad_ImgChanged(object sender, EventArgs e)
{
throw new NotImplementedException();
}
protected void UpBtn_Click(object sender, EventArgs e)
{
if (!FuImg.HasFile)
{
WebUtility.MsgBox("请选择图片！");
return;
}
string fileName = string.Empty;
if (ImgSize <= 0) ImgSize = 500;
WebUtility.SaveImage(FuImg, ImgSize, out fileName);
if (string.IsNullOrEmpty(fileName))
{
WebUtility.MsgBox("请选择图片！");
return;
}
TbImgUrl.Text = fileName;
ImgUrl.Value = fileName;
Img.ImageUrl = fileName;
if (ImgChanged != null)
{
ImgChanged.Invoke(this, null);
}
}
}
用户自定义控件如何封装成可添加到工具箱直接就能拖拽使用的dll文件？
QQ我：