get data from .txt file and insert into sql table.

protected void button_click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
DataColumn dc;
dc = new DataColumn("ACCOUNT", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("CUSTOMER", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("TRADES", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("SHARES", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("COMMISSION", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("TRADES1", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("SHARES1", typeof(System.String));
dt.Columns.Add(dc);
dc = new DataColumn("COMMISSION1", typeof(System.String));
dt.Columns.Add(dc);

string con = "Data Source=SERVERNAME;Database=DATABASENAME;Persist Security Info=True;User ID=USERNAME;Password=PWD";
SqlConnection myConnection = new SqlConnection(con);
const string strSQL = "select * from praveen";
SqlCommand myCommand = new SqlCommand(strSQL, myConnection);
SqlDataAdapter myAdapter = new SqlDataAdapter(myCommand);
SqlCommandBuilder cb = new SqlCommandBuilder(myAdapter);
myConnection.Open();

System.IO.StreamReader sr = new System.IO.StreamReader(@"C:/Documents and Settings/nitin.dhiman/Desktop/NYSE_MERGE_ORDER_LOG.doc");
string line;
int i = 0;
while (sr.Peek() != -1)
{
i++;
line = sr.ReadLine();
if (line.Contains("MTD TRADES"))
{
flage = 1;
}
if (line.Contains("/PAGE"))
{
flage = 0;
}
if (line.Contains("TOTALS"))
{
flage = 0;
}
if (flage == 1)
{
if (line == "" || line == " " || line == " ACCOUNT CUSTOMER TRADES SHARES COMMISSION TRADES SHARES COMMISSION " || line == "---------- ------------------------------ ---------- --------------- --------------- --------- --------------- --------------- " || line == " ---------- MTD TRADES ---------- ---------- MTD SETTLES ---------- ")
{

}
else
{
string value = line;
value = value.Replace(" ", "~");
value = value.Replace("~~~~~~~~~", "~");
value = value.Replace("~~~~~~~~", "~");
value = value.Replace("~~~~~~~", "~");
value = value.Replace("~~~~~~", "~");
value = value.Replace("~~~~~", "~");
value = value.Replace("~~~~", "~");
value = value.Replace("~~~", "~");
value = value.Replace("~~", "~");
string[] text = value.Split('~');

DataRow dr = dt.NewRow();
dr[0] = text[0];
dr[1] = text[1];
dr[2] = text[2];
dr[3] = text[3];
dr[4] = text[4];
dr[5] = text[5];
dr[6] = text[6];
dr[7] = text[7];
dt.Rows.Add(dr);

myAdapter.Update(dt);
dt.AcceptChanges();
}
}
}
Response.Write(i);
}