Answer / arun

SqlConnection objconnection = new SqlConnection();
protected void Page_Load(object sender, EventArgs e)
{
//objconnection = new OleDbConnection(ConfigurationManager.ConnectionStrings["Constr"].ConnectionString);
// objconnection.Close();
// lblInfo.Visible = false;
}
protected void Button1_Click(object sender, EventArgs e)
{
String strUsername = txtUsername.Text;
String strPassword = txtCurrentpassword.Text;
SqlConnection con = new SqlConnection("Data Source=ARUN-PC\\SQLEXPRESS;Initial Catalog=newspaper;Integrated Security=True");
con.Open();
//objectcon=new ObjectCon();


SqlCommand objcommand;
SqlDataReader objdatareader;

//OleDbCommand cmd = new OleDbCommand("Select Username,Password from Admin", objconnection);
//OleDbDataReader dr;
//jcon = new objcon();
objcommand = new SqlCommand("Select Username,Password *from Login", objconnection);
objdatareader =objcommand.ExecuteReader();
{
if (txtUsername.Text ==objdatareader.GetValue(0).ToString())

if (txtCurrentpassword.Text ==objdatareader.GetValue(1).ToString())
{
SqlCommand cmd = new SqlCommand("Update Login set Password='" + txtNewPassword.Text + "' where Username ='" + txtUsername.Text + "'", objconnection);
cmd.ExecuteNonQuery();
}
else
{

lblInfo.Visible = true;
}

else
{

lblInfo.Visible = true;
}

}
con.Close();
}
}




but my programme is not running

Code for Reading and writing from a file in c#?

1 Answers  

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How to Create Files by Using the FileInfo Class?

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