Read text file and insert into data table

string filename = @"E:\DvrAlarmLog.txt";

string str = string.Empty;

if (File.Exists(filename))

{

string[] arrays = new string[7];

StreamReader sr = new StreamReader(filename);

String line = string.Empty;

DataTable dt = new DataTable();

dt.Columns.AddRange(new DataColumn[3] { new DataColumn("ID"), new DataColumn("Start Date"), new DataColumn("End Date") });

StringBuilder sb = new StringBuilder();

List list = new List();

using (StreamReader srr = new StreamReader(filename))

{

//string[] lines = System.IO.File.ReadAllLines(filename);

//foreach (string linesingle in lines)

//{

// if (linesingle.Equals("Alarm ended"))

// {

while (srr.Peek() >= 0)

{

list.Add(srr.ReadLine());

}

// }

//}

}

for (int i = 13; i < list.Count; i++)

{

string[] strlist = list[i].Split('.');

foreach (string strdt in strlist)

{

if (!strdt.Contains("-----------------------------------------------------"))

{

//strdt +=

dt.Rows.Add(strlist[0], strlist[1], strlist[1]);

}

}

}

GridView1.DataSource = dt;

GridView1.DataBind();

}