C# 分割URL地址

  public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            string str1,str2;
            string str0 = textBox1.Text.Trim();
            //找出?所在位置
            str1 = str0.Substring(,str0.IndexOf('?'));
            str2 = str0.Substring(str0.IndexOf('?')+);
            string[] strs = str2.Split('&');

//textBox2.Text = str0.Replace(rep1,"").Replace(rep2,",");
            textBox2.Text = str1 + "\r\n" + ff(strs);

        }
        string ff(string [] strs)
        {
            StringBuilder strSB = new StringBuilder();
            //strSql.Append("select top  ");
            for (int i=; i<strs.Length;i++)
            {
                strSB.Append(strs[i]+"\r\n");
            }
            return strSB.ToString();
        }
    }

//读取EXCE转换为提交的带参的url地址

        private void button1_Click(object sender, EventArgs e)
        {
            ReadExcelToDataGridView(@"C:\Users\Administrator\Documents\Tencent Files\372282126\FileRecv\xxx\tets.xlsx", "Sheet2", dataGridView1);

        }
        #region //读取EXCEl到DataGridView1
        void ReadExcelToDataGridView(string excelPath, string TableName, DataGridView dataGridView1) //Excel路径+表名+dataGridview
        {
            //读取Excel到dataGridview
            //string excelPath = "测试.xlsx"; //文件路径
            string fileExt = Path.GetExtension(excelPath);//获得文件扩展名
            string conn = "";
            if (fileExt == ".xls")
            {
                conn = "Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source =" + excelPath + ";Extended Properties='Excel 8.0;HDR=Yes;IMEX=1'";
            }
            else
            {
                conn = "Provider = Microsoft.ACE.OLEDB.12.0 ; Data Source =" + excelPath + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1'";
            }

            OleDbConnection con = new OleDbConnection(conn);
            DataTable dt = new DataTable();
            //OleDbDataAdapter da = new OleDbDataAdapter("select * from [Admin$]", con); //查询表名文件Admin的数据表
            OleDbDataAdapter da = new OleDbDataAdapter("select * from [" + TableName + "$]", con); //查询表名文件Admin的数据表

            con.Open();
            da.Fill(dt); //填充到dt
            con.Close();
            dataGridView1.DataSource = dt;

            //foreach (DataRow dr in dt.Rows)
            //{
            //    MessageBox.Show(dr["管理员编号"].ToString());
            //}
            MessageBox.Show("读取完成！");
        }
        #endregion

        //输出到文本框
        private void button2_Click(object sender, EventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            for (int i = ; i < dataGridView1.Rows.Count - ; i++)
            {
                string key = dataGridView1.Rows[i].Cells["KEY"].Value.ToString();
                string value = dataGridView1.Rows[i].Cells["VALUE"].Value.ToString();
                sb.Append("&");
                sb.Append(key);
                sb.Append("=");
                sb.Append(value);
            }
            txtData.Text = sb.ToString();
        }