message box

Bhasin Naik

i am developing a login page where i need to give the error message if user enters invalid details otherwise check it to throgh c# from the database. I am not able to display error message throgh popup. anybody can help me plz.........

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

pavi thra17y ago
HI,If u work in asp.net then add reference "system.windows.forms",then give messagebox.show("Text message"); or else if u work in vb.net then u can give directly messagebox.show("Text Message");
sarath phani17y ago

private void button1_Click(object sender, EventArgs e)

{

SqlCommand myComm = new SqlCommand("select um_name,um_pwd from user_master ", con);

Boolean check=false;

con.Open();

SqlDataReader myReader = myComm.ExecuteReader();

while (myReader.Read())

{

if ((textbox1.Text.Trim().ToUpper() == myReader["um_name"].ToString().Trim().ToUpper())

&& (textbox2.Text.Trim() == myReader["um_pwd"].ToString().Trim()))

{

check=true;

MessageBox.Show("Your login was successful!");

break;

}

}

if (check != true)

{

MessageBox.Show("Your login was not successful, Please try agin!");

textbox1.Text = string.Empty;

textbox2.Text = string.Empty;

}

con.Close();

}