i want write same data into textfile

Question

file reading data from textfile but when match userinput data to textfile data,process just write only this entry to file ,but not read all lines so same entry again come into textfile ,he is not write that entry into textfile

 

here is my code

 

protected void Button1_Click(object sender, EventArgs e)

{

try

{

while (true)

{

//ClientScript.RegisterStartupScript(GetType(), "Alert", "alert('Please wait file is generating');", true);

Dictionary<string, string> dictionary;

StreamReader file = null;

// StreamReader File = null;

file = db.ReadFile(out dictionary, TextBox1.Text, file);

if (file == null)

{

dvIsFileExist.Visible = true;

lblIsFileExist.Visible = true;

lblIsFileExist.Text = "Movement File not exist,Please check the file name";

break;

}

List<string> lines = new List<string>();

string line = null;

while ((line = file.ReadLine().ToString()) != null)

{

string[] LineDetails = line.Split('|');

if (LineDetails[1].Trim() == TextBox3.Text.ToString().Trim() && LineDetails[4] == TextBox2.Text.ToString().Trim() && LineDetails[15] == TextBox4.Text.ToString().Trim())

// if (LineDetails[1].Trim() == TextBox3.Text.ToString().Trim() && LineDetails[4] == TextBox2.Text.ToString().Trim() && LineDetails[15] == TextBox4.Text.ToString().Trim()) && (LineDetails[2].Trim() == TextBox3.Text.ToString().Trim() && LineDetails[4] == TextBox2.Text.ToString().Trim() && LineDetails[15] == TextBox4.Text.ToString().Trim())

{

lines.Add(line);

var PostingDate = lines[0].Split(new[] { '|' }, StringSplitOptions.None);

if (DateTime.Now.Month == Convert.ToInt32(PostingDate[2].Substring(4, 2))||DateTime.Now.Month == Convert.ToInt32(PostingDate[3].Substring(4, 2)))

{

dvIsFileExist.Visible = true;

lblIsCurrentMonth.Visible = true;

lblIsCurrentMonth.Text = "This is a current month,Please check";

break;

}

NewGeneratedFileName = TextBox1.Text.ToString().Substring(0, 8) + DateTime.Now.ToString("ddMMyyHHMMss") + "R";

string filename = dictionary["Archivepath"] + NewGeneratedFileName + ".old";

for (int i = 0; i < lines.Count; i++)

{

var x = lines[i].Split(new[] { '|' }, StringSplitOptions.None);

x[2] = DateTime.Now.ToString("yyyyMMdd");

x[3] = DateTime.Now.ToString("yyyyMMdd");

FileStream fs = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite);

fs.Seek(0, SeekOrigin.End);

string temp = TextBox1.Text.ToString();

if (temp.Substring(0, 4) == "MV_F")

{

using (StreamWriter sw = new StreamWriter(fs))

{

sw.WriteLine(x[0] + dictionary["Separator"] + x[1] + dictionary["Separator"] + x[2] + dictionary["Separator"] + x[3] + dictionary["Separator"] + x[4] + dictionary["Separator"] + x[5] + dictionary["Separator"] + x[6] + dictionary["Separator"] + x[7] + dictionary["Separator"] + x[8] + dictionary["Separator"] + x[9] + dictionary["Separator"] + x[10] + dictionary["Separator"] + x[11] + dictionary["Separator"] + x[12] + dictionary["Separator"] + x[13] + dictionary["Separator"] + x[14] + dictionary["Separator"] + x[15] + dictionary["Separator"] + x[16] + dictionary["Separator"]);

}

}

else

{

using (StreamWriter sw = new StreamWriter(fs))

{

sw.WriteLine(x[0] + dictionary["Separator"] + x[1] + dictionary["Separator"] + x[2] + dictionary["Separator"] + x[3] + dictionary["Separator"] + x[4] + dictionary["Separator"] + x[5] + dictionary["Separator"] + x[6] + dictionary["Separator"] + x[7] + dictionary["Separator"] + x[8] + dictionary["Separator"] + x[9] + dictionary["Separator"] + x[10] + dictionary["Separator"] + x[11] + dictionary["Separator"] + x[12] + dictionary["Separator"] + x[13] + dictionary["Separator"] + x[14] + dictionary["Separator"] + x[15] + dictionary["Separator"]);

}

}

}

UserName = Session["UserName"].ToString();

FileName = TextBox1.Text.ToString();

Reason = DropDownList1.SelectedValue.ToString();

TransactionNumber = TextBox3.Text.ToString();

MaterialCode = TextBox2.Text.ToString();

LotNumber = TextBox4.Text.ToString();

cmd = new SqlCommand("insert into FileGenerator(FileName,TransactionNumber,MaterialCode,LotNumber,Reason,GeneratedMovementFileName,GeneratedBy,GeneratedDate) output INSERTED.MovementFileID Values('" + FileName + "','" + TransactionNumber + "','" + MaterialCode + "','" + LotNumber + "','" + Reason + "','" + NewGeneratedFileName + "','" + UserName + "',@GeneratedDate)", con);

cmd.Parameters.Add("@GeneratedDate", SqlDbType.DateTime).Value = DateTime.Now;

con.Open();

GRFileID = (int)cmd.ExecuteScalar();

if (GRFileID > 0)

{

IsLogged = db.LogFile(GRFileID, FileName, NewGeneratedFileName, UserName);

}

if (IsLogged)

{

IsSuccess = db.EmailSending(dictionary, NewGeneratedFileName, Reason);

}

if (IsSuccess != 0)

{

ClientScript.RegisterStartupScript(Page.GetType(), "", "alert('File generated successfully');", true);

ClearControl();

}

else

{

ClientScript.RegisterStartupScript(Page.GetType(), "", "alert('There is some problem to generate Movement file');", true);

}

con.Close();

break;

}

//if (line.Contains(TextBox3.Text.ToString()))

//{

// if (line.Contains(TextBox2.Text.ToString()) && line.Contains(TextBox4.Text.ToString()))

// {

// lines.Add(line);

// break;

// }

// ClientScript.RegisterStartupScript(Page.GetType(), "", "alert('Incorrect meterial code or Lot code');");

//}

}

break;

}

}