自定义GridView的某列的内容

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;

namespace MY_SQLSTR {
    public static class charlie {
        /// <summary>
        /// 无需输入第3个现实变量
        /// </summary>
        /// <param name="dt">要绑定的datatable</param>
        /// <param name="type">要根据那个字段来改变的字段名</param>
        /// <param name="type1">状态名字1</param>
        /// <param name="type2">状态名字2</param>
        /// <param name="ii">表的行数,在调用前要算好哦!</param>
        /// <returns></returns>
        public static DataTable mydt(DataTable dt,string type,string type1,string type2,int ii){
            DataColumn dc = new DataColumn();
            dt.Columns.Add("dd");
            for (int i = 0; i < ii; i++) {
                if (dt.Rows[i][type].ToString() != "") {
                    if (int.Parse(dt.Rows[i][type].ToString()) == 1) {
                        dt.Rows[i]["dd"] = type1;
                    }
                    else {
                        dt.Rows[i]["dd"] = type2;
                    }
                }
                else {
                    dt.Rows[i]["dd"] = "未知";
                }
            }
            return dt;
        }
        /// <summary>
        /// 需要输入第3个现实变量
        /// </summary>
        /// <param name="dt"></param>
        /// <param name="type"></param>
        /// <param name="type1"></param>
        /// <param name="type2"></param>
        /// <param name="type3"></param>
        /// <param name="ii"></param>
        /// <returns></returns>
        public static DataTable mydt(DataTable dt, string type, string type1, string type2,string type3, int ii) {
            DataColumn dc = new DataColumn();
            dt.Columns.Add("dd");
            for (int i = 0; i < ii; i++) {
                if (dt.Rows[i][type].ToString() != "") {
                    if (int.Parse(dt.Rows[i][type].ToString()) == 1) {
                        dt.Rows[i]["dd"] = type1;
                    }
                    else {
                        dt.Rows[i]["dd"] = type2;
                    }
                }
                else {
                    dt.Rows[i]["dd"] = type3;
                }
            }
            return dt;
        }
        /// <summary>
        /// 需要输入第3个现实变量和列名
        /// </summary>
        /// <param name="dt"></param>
        /// <param name="type"></param>
        /// <param name="type1"></param>
        /// <param name="type2"></param>
        /// <param name="type3"></param>
        /// <param name="ii"></param>
        /// <returns></returns>
        public static DataTable mydt(DataTable dt, string type, string type1, string type2, string type3, int ii,string lie) {
            DataColumn dc = new DataColumn();
            dt.Columns.Add(lie);
            for (int i = 0; i < ii; i++) {
                if (dt.Rows[i][type].ToString() != "") {
                    if (int.Parse(dt.Rows[i][type].ToString()) == 1) {
                        dt.Rows[i][lie] = type1;
                    }
                    else {
                        dt.Rows[i][lie] = type2;
                    }
                }
                else {
                    dt.Rows[i][lie] = type3;
                }
            }
            return dt;
        }
        /// <summary>
        /// 无需输入第3个现实变量和列名
        /// </summary>
        /// <param name="dt"></param>
        /// <param name="type"></param>
        /// <param name="type1"></param>
        /// <param name="type2"></param>
        /// <param name="ii"></param>
        /// <returns></returns>
        public static DataTable mydt(DataTable dt, string type, string type1, string type2, int ii,string lie) {
            DataColumn dc = new DataColumn();
            dt.Columns.Add(lie);
            for (int i = 0; i < ii; i++) {
                if (dt.Rows[i][type].ToString() != "") {
                    if (int.Parse(dt.Rows[i][type].ToString()) == 1) {
                        dt.Rows[i][lie] = type1;
                    }
                    else {
                        dt.Rows[i][lie] = type2;
                    }
                }
                else {
                    dt.Rows[i][lie] = "未知";
                }
            }
            return dt;
        }
    }
}

MY_SQLSTR.charlie.mydt(dt, "F_OStatus", "是", "否", ii);