ASP.NET C＃のカスケードドロップダウンリストにExcelシートをバインドする方法

以下のコードを使用してExcelシートを読み取りますが、「Microsoft.ACE.OLEDB.12.0」プロバイダーがローカルマシンに登録されていないため、例外が発生します。

インターネットから可能なすべての解決策を試しましたが、どれも機能していません

protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                DataSet temp_ds = new DataSet();
                temp_ds = ReadExcelFile();

                CheckBoxList1.DataSource = temp_ds.Tables[0];
                CheckBoxList1.DataBind();
            }


        }


        protected void Bindxml_To_chkboxlist(object sender, EventArgs e)
        {
            string filepath = Server.MapPath("Cust_input1.xml");
            using(DataSet DS = new DataSet())
            {

                DS.ReadXml(filepath);

                CheckBoxList1.DataSource = DS;
                CheckBoxList1.DataTextField = "CustomerName";
                CheckBoxList1.DataBind();


            }
        }


        protected void Button1_Click(object sender, EventArgs e)
        {
           // Response.Redirect("Add New WOS Customer.aspx");
        }




        protected void CheckBoxList1_SelectedIndexChanged1(object sender, EventArgs e)
        {

        }

        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private string GetConnectionString()
        {
            Dictionary<string, string> props = new Dictionary<string, string>();

            // XLSX - Excel 2007, 2010, 2012, 2013
            props["Provider"] = "Microsoft.ACE.OLEDB.14.0";
            props["Extended Properties"] = "Excel 14.0 XML";
            props["IMEX"] = "1";
            props["Data Source"] = @"C:\\Users\\amar.kate\\Documents\\Visual Studio 2015\\Projects\\WebApplication5\\WebApplication5\\input\\input.xlsx";

            // XLS - Excel 2003 and Older
            //props["Provider"] = "Microsoft.Jet.OLEDB.4.0";
            //props["Extended Properties"] = "Excel 8.0";
            //props["Data Source"] = "C:\\Users\\amar.kate\\Documents\\Visual Studio 2015\\Projects\\WebApplication5\\WebApplication5\\input\\input.xls";

            StringBuilder sb = new StringBuilder();

            foreach (KeyValuePair<string, string> prop in props)
            {
                sb.Append(prop.Key);
                sb.Append('=');
                sb.Append(prop.Value);
                sb.Append(';');
            }

            return sb.ToString();
        }

        private DataSet ReadExcelFile()
        {
            DataSet ds = new DataSet();

            string connectionString = GetConnectionString();

            using (OleDbConnection conn = new OleDbConnection(connectionString))
            {
                conn.Open();
                OleDbCommand cmd = new OleDbCommand();
                cmd.Connection = conn;
                DataTable dtSheet = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
                // loop through sheet to get col name
                foreach (DataRow dr in dtSheet.Rows)
                {
                    string sheetName = dr["Sheet1"].ToString();
                    if (!sheetName.EndsWith("$"))
                        continue;

                    cmd.CommandText = "SELECT * FROM [" + sheetName + "]";
                    Response.Write(cmd.CommandText);
                    DataTable dt = new DataTable();
                    dt.TableName = sheetName;

                    OleDbDataAdapter da = new OleDbDataAdapter(cmd);
                    da.Fill(dt);

                    ds.Tables.Add(dt);

                }

                cmd = null;
                //conn.Close();

            }

            return ds;
        }