9954552067,abc.wav
1234567890,def.wav
7879989907,abc.wav
8989867890,def.wav

        Dim file As New System.IO.StreamReader("E:\Dialer.txt")
        Dim readLine As String = file.ReadLine
        Dim I As Integer = 1
        Do Until file.ReadLine Is Nothing
            Dim s As String = readLine
            MessageBox.Show(s)
            I += 1

AT+CMGR=2

+CMGR: "REC READ","121",,"07/04/18,15:26:01+00"
(1/2)Roam with Airtel at 56% reduced National roaming rates and no monthly rental. All local calls-Rs1.40/min, incoming calls-Rs1.75/min, STD calls-Rs2.40/mi

OK

                                con.Open();
									SqlCommand cmd=new SqlCommand("AddToDatabase",con);
									cmd.CommandType=CommandType.StoredProcedure;

CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern()

if (ddlColumnName[B].SelectedValue  [/B] == "File size")
			{
								Label4.Text = "Bytes";
			}

private void ddlColumnName_SelectedIndexChanged(object sender, System.EventArgs e)
		{
						if (ddlColumnName.SelectedItem.Text == "call duration")
			{
				Label4.Text = "HH:MM:SS";
			}
                                  }

//================
					if (ddlColumnName.SelectedItem.Text == "call duration")
					{
						Label4.Text = "HH:MM:SS";
					}
					//=================