ASP.NET服务器控件CheckBoxList修改

背景：asp.net自带的服务器控件CheckBoxList，在生成Html时，未显示name值，这样在表单提交后，Request.Form（它是根据name值来获取的）无法获取选中的值，故对此控件小小的修改了一下。

下载地址：https://github.com/xucongli1989/XCLNetCheckBox/releases

项目地址：https://github.com/xucongli1989/XCLNetCheckBox

using System;using System.Collections.Generic;using System.ComponentModel;using System.Linq;using System.Text;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Collections.Specialized;using System.Text.RegularExpressions;namespace CheckBox{    /// <summary>    /// 原理：vs的checkboxlist无value值，因此才有此控件    /// by:xcl @2012.9  qq:80213876  http://blog.csdn.net/luoyeyu1989 （如需修改此控件，请保留此行信息即可，谢谢）    /// </summary>    [DefaultProperty("Text")]    [ToolboxData("<{0}:ServerControl1 runat=server></{0}:ServerControl1>")]    public class CheckBox : CheckBoxList    {        private static string getGuid = "_" + Guid.NewGuid().ToString("N");        protected override void OnLoad(EventArgs e)        {            #region 设置默认选中项            if (!string.IsNullOrEmpty(this.SetSelectedValues))            {                string[] vs = this.SetSelectedValues.Split(',');                if (vs.Length > 0)                {                    for (int i = 0; i < vs.Length; i++)                    {                        if (vs[i].Length > 0)                        {                            if (this.Items.Count > 0)                            {                                for (int j = 0; j < this.Items.Count; j++)                                {                                    if (string.Equals(this.Items[j].Value, vs[i], StringComparison.OrdinalIgnoreCase))                                    {                                        this.Items[j].Selected = true;                                        break;                                    }                                }                            }                        }                    }                }            }            #endregion            base.OnLoad(e);        }        /// <summary>        /// 以此作为每个item的name        /// </summary>        public string GetName        {            get            {                return getGuid + this.UniqueID.Replace('$', '_');            }        }        #region 样式        /// <summary>        /// UL的class        /// </summary>        public string UlClass        {            get;            set;        }        /// <summary>        /// Li的class        /// </summary>        public string LiClass        {            get;            set;        }        /// <summary>        /// UL的style        /// </summary>        public string UlStyle        {            get;            set;        }        /// <summary>        /// LI的style        /// </summary>        public string LiStyle        {            get;            set;        }        #endregion        #region 其它信息        /// <summary>        /// （如需修改此控件，请保留此信息即可，谢谢）        /// </summary>        public override void RenderBeginTag(HtmlTextWriter writer)        {            writer.Write("<!--*****************by xcl @2012.9 http://blog.csdn.net/luoyeyu1989*****************-->");            base.RenderBeginTag(writer);        }        /// <summary>        /// （如需修改此控件，请保留此信息即可，谢谢）        /// </summary>        public override void RenderEndTag(HtmlTextWriter writer)        {            writer.Write("<!--*****************by xcl @2012.9 http://blog.csdn.net/luoyeyu1989*****************-->");            base.RenderEndTag(writer);        }        #endregion        private string _selectedValues = string.Empty;        /// <summary>        /// 设置默认选中值(用,分隔)        /// </summary>        public string SetSelectedValues        {            get;            set;        }        /// <summary>        /// 渲染html        /// </summary>        protected override void Render(HtmlTextWriter output)        {            //base.Render(writer);//莫加此句，加了后，原来的html不会被清空的            StringBuilder str = new StringBuilder();            if (this.Items.Count > 0)            {                string ulCss=(string.IsNullOrEmpty(this.UlStyle) ? "style='width:100%;list-style-type:none;'" :string.Format("style='{0}'",this.UlStyle))+                                    (string.IsNullOrEmpty(this.UlClass)?"":string.Format(" class='{0}' ",this.UlClass));                string liCss = (string.IsNullOrEmpty(this.LiStyle) ? "style='width:33%;list-style-type:none;float:left;'" : string.Format("style='{0}'", this.LiStyle)) +                                    (string.IsNullOrEmpty(this.LiClass) ? "" : string.Format(" class='{0}' ", this.LiClass));                str.AppendFormat("<ul {0}>",ulCss);                for (int i = 0; i < this.Items.Count; i++)                {                    str.AppendFormat("<li {4}><input type='checkbox' id='{0}{1}' name='{0}' value='{2}' {5}/><label for='{0}{1}'>{3}</label></li>", this.GetName, i, this.Items[i].Value, this.Items[i].Text,liCss,this.Items[i].Selected?"checked='checked'":"");                }                str.Append("</ul>");            }            output.Write(str.ToString());        }    }}