.net常用控件绑定代码分享

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));
            }
        }

        /// <summary>
        /// 绑定下拉列表框(默认在绑定中插入"——请选择——")
        /// </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>
        public static void BindDropDownList(string strValueField,string strTextField,DataTable dt,DropDownList ddlst_List)
        {
             BindDropDownList(strValueField,strTextField, dt, ddlst_List, true);
        }

        /// <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, string  strSQL, DropDownList ddlst_List, bool bFlag)
        {
            DataTable dt =  Tools.Data.GetDataTable(strSQL);
            BindDropDownList(strValueField,strTextField, dt, ddlst_List, bFlag);
        }

　　　  /// <summary>
        /// 绑定下拉列表框(默认在绑定中插入"——请选择——")
        /// </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>
        public static void BindDropDownList(string strValueField,string strTextField, string strSQL,DropDownList ddlst_List)
        {
            BindDropDownList(strValueField,strTextField, strSQL, ddlst_List,true);
        }

       #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
        
        #region 
        /// <summary>
        /// 根据当前Value值初始化下拉列表框
        /// </summary>
        /// <param name="rbtLst"></param>
        /// <param name="strText"></param>
        public static void InitRadioButtonList(RadioButtonList rbtLst, string strText)
        {
            for (int i=0; i< rbtLst.Items.Count; i++)
            {
                if (rbtLst.Items[i].Text  == strText)
                {
                    rbtLst.SelectedIndex = i;
                    break;
                }
            }
        }

        /// <summary>
        /// 根据当前Text值初始化下拉列表框
        /// </summary>
        /// <param name="strValue"></param>
        /// <param name="rbtLst"></param>
         public static void InitRadioButtonList(string strValue, RadioButtonList rbtLst)
        {
            for (int i=0; i< rbtLst.Items.Count; i++)
            {
                if (rbtLst.Items[i].Value  == strValue)
                {
                    rbtLst.SelectedIndex = i;
                    break;
                }
            }
        }

        #endregion
      
        #region BindDataGrid
        /// <summary>
        /// 获取DataGrid有效的当前页Index
        /// </summary>
        /// <param name="iCurrentPageIndex"></param>
        /// <param name="iDSCount"></param>
        /// <param name="iPageSize"></param>
        /// <returns></returns>
        public static int GetCurrentPage(int iCurrentPageIndex,int iDSCount,int iPageSize)
        {
            if (iPageSize == 0)
            {
                iCurrentPageIndex = 0;
            }
             
            if((iDSCount <= iCurrentPageIndex*iPageSize)&&(iDSCount!=0))
                iCurrentPageIndex = iCurrentPageIndex -1;
            return iCurrentPageIndex;
        }

        /// <summary>
        /// 绑定数据窗口
        /// </summary>
        /// <param name="dg_Bind">被绑定的数据窗口</param>
        /// <param name="dt">被绑定的DataTable</param>
        /// <param name="PageIndex">绑定的当前页</param>
        public static void BindDataGrid(DataGrid dg_Bind, DataTable dt, int iPageIndex)
        {
            dg_Bind.CurrentPageIndex = GetCurrentPage(iPageIndex, dt.Rows.Count, dg_Bind.PageSize);
            dg_Bind.PagerStyle.Mode         = System.Web.UI.WebControls.PagerMode.NextPrev;
            dg_Bind.PagerStyle.NextPageText = "下一页";
            dg_Bind.PagerStyle.PrevPageText = "上一页";
            dg_Bind.DataSource       = dt;
            dg_Bind.DataBind();
              dt.Dispose();
        }

        /// <summary>
        /// 绑定数据窗口
        /// </summary>
        /// <param name="dg_Bind">被绑定的数据窗口</param>
        /// <param name="dt">被绑定的DataTable</param>
    　    public static void BindDataGrid(DataGrid dg_Bind, DataTable dt)
        {
            BindDataGrid(dg_Bind, dt,0);
        }

        #endregion

        #region ClearControls
        public static void ClearAllControls(System.Web.UI.Control[] ControlArr)
        {
            for (int i=0; i< ControlArr.Length; i++)
            {
                string strType = ControlArr[i].GetType().ToString();
                switch (strType)
                {
                    case "System.Web.UI.WebControls.TextBox":
                        ((System.Web.UI.WebControls.TextBox)ControlArr[i]).Text = "";
                        break;
                    case "System.Web.UI.WebControls.Literal":
                        ((System.Web.UI.WebControls.Literal)ControlArr[i]).Text = "";
                        break;
                    case "System.Web.UI.WebControls.Label":
                        ((System.Web.UI.WebControls.Label)ControlArr[i]).Text = "";
                        break;
                    case "System.Web.UI.WebControls.DropDownList":
                        Tools.Bind.InitDropDownList("-1",((System.Web.UI.WebControls.DropDownList)ControlArr[i]));
                        break;
                    case "System.Web.UI.WebControls.CheckBox":
                        ((System.Web.UI.WebControls.CheckBox)ControlArr[i]).Checked = false;
                        break;
                    case "System.Web.UI.WebControls.ListBox":
                        ((System.Web.UI.WebControls.ListBox)ControlArr[i]).Items.Clear();
                        break;
                    
                }
            }
        }
        #endregion
    }
}