function LconvertToSRT() 

{
    var arr = getArray();
    var subStr = "-->";

    if (arr[0].indexOf(subStr) < 0) 

   {
        for (var i = 0; i < arr.length; i++) {
            var timeRe = /\d{2}:\d{2}/i;
            var timeStart = "00:" + arr[i].match(timeRe) + ",200";

            var j = parseInt(i) + parseInt(1);
            if (j < arr.length) {
                var timeEnd = "00:" + arr[i + 1].match(timeRe) + ",200";
            }
            var speakStr = arr[i].replace(/\d{2}:\d{2}\s/, "");
            arr[i] = j + "\n" + timeStart + " --> " + timeEnd + "\n" + speakStr + "\n\n";
        }

        arr.pop();
        var fullText = arr.join("");
        document.getElementById("source").value = fullText;
    }
}

   Public Function sqlinj(ByVal text As String) As String
        text = Strings.Replace(text, "'", "")
        text = Strings.Replace(text, ",", "")
        text = Strings.Replace(text, "+", "")
        text = Strings.Replace(text, "&", "")
        text = Strings.Replace(text, "=", "")
        text = Strings.Replace(text, "%", "")
        text = Strings.Replace(text, ":", "")
        text = Strings.Replace(text, ";", "")
        text = Strings.Replace(text, "select", "")
        text = Strings.Replace(text, "delete", "")
        text = Strings.Replace(text, "insert", "")
        text = Strings.Replace(text, "update", "")
        text = Strings.Replace(text, "where", "")
        text = Strings.Replace(text, "union", "")
        text = Strings.Replace(text, "alter", "")
        text = Strings.Replace(text, "drop", "")
        text = Strings.Replace(text, "%", "")
        text = Strings.Replace(text, "_", "")
        Return text
    End Function

 var connectionString = "Provider=VFPOLEDB.1;Data Source=D:\path\rep.dbf;Password=;Collating Sequence=MACHINE";

 // the text is standard CP1252 ASCII
Encoding cp1252 = Encoding.GetEncoding(1252);

// تبدیل رشته به بایت
byte[] stringBytes = cp1252.GetBytes(iranSystemEncodedString.Trim());

 return Encoding.GetEncoding(1256).GetString(newStringBytes);