.NET常用控件绑定（DropDownList、RadioButtonList、CheckBoxList、ListBox、BulletedList）

提示：DropDownList、RadioButtonList、CheckBoxList、ListBox、BulletedList 绑定数据方法几乎一样

using System;
using System.Web.UI.WebControls;
using System.Data;

namespace ControlsBind
{
 /// <summary>
    /// ControlsBind 的摘要说明。
    /// </summary>
    public class ControlsBind
    {
        public ControlsBind()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
#region BindDropDownList
        /// <summary>
        /// 绑定下拉列表框
        /// </summary>
        /// <param name="strValueField">Value值</param>
        /// <param name="strTextField">显示值</param>
        /// <param name="dt">被绑定的DataTable</param>
        /// <param name="ddlst_List">下拉列表框</param>
        /// <param name="bFlag">是否绑定在绑定中插入"——请选择——"</param>
        public  static void BindDropDownList(string strValueField,string strTextField,DataTable dt,DropDownList ddlst_List, bool bFlag)
        {
            try
            {
                ddlst_List.Items.Clear();
                ddlst_List.DataSource = dt;
                ddlst_List.DataValueField = strValueField;
                ddlst_List.DataTextField = strTextField;
                ddlst_List.DataBind();
                dt.Dispose();
                if (bFlag)
                {
                    ListItem NewItem = new ListItem("——请选择——","-1");
                    ddlst_List.Items.Insert(0,NewItem);
                }
            }
            catch(Exception e)
            {
                throw(new Exception("绑定下拉列表框失败！"+ CONST.SPLITSTRING +e.Message));
            }
        }

#endregion

#region IntialDropDownList
        /// <summary>
        /// 根据当前Text值初始化DropDownList控件
        /// </summary>
        /// <param name="ddlstObj">DropDownList控件对象</param>
        /// <param name="strText">文本</param>
        public static void InitDropDownList(DropDownList ddlstObj,string strText)
        {
            for(int i=0; i<ddlstObj.Items.Count; i++)
            {
                if(ddlstObj.Items[i].Text == strText)
                {
                    ddlstObj.SelectedIndex = i;
                    break;
                }
            }
        }

        /// <summary>
        /// 根据当前Value值初始化DropDownList控件
        /// </summary>
        /// <param name="ddlstObj">DropDownList控件对象</param>
        /// <param name="strValue">文本</param>
        public static void InitDropDownList(string strValue, DropDownList ddlstObj)
        {
            for(int i=0; i<ddlstObj.Items.Count; i++)
            {
                if(ddlstObj.Items[i].Value == strValue)
                {
                    ddlstObj.SelectedIndex = i;
                    break;
                }
            }
        } 
 #endregion
    }

}