Question { 4555 }

I have a webform in asp.net.In that webform there is 2
division class(DIV).in one of the div class there is a text
box for enter the id & a button for to check id with
database value.My doubt is that how can i appear the 2nd
Div contents only when the id is true with database
value.if wrong do not display the div . i Want code in c#.

Answer

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{
string flag;
object dsd;
flag= setconnection();
if (flag=="True" )
{
dsd = getconnection();
MyDiv.Visible=true;
GridView1.DataSource = dsd;
GridView1.DataBind();
}

}
public object getconnection()
{
String constr =
ConfigurationManager.ConnectionStrings["ConnectDBString"].ConnectionString;
SqlConnection con = new SqlConnection();
con.ConnectionString = constr;

String query = "SELECT * FROM EMPLOYEE WHERE
EmployeeName = '" + TextBox1.Text + "'";
SqlCommand cmd = new SqlCommand();
cmd.CommandText = query;
cmd.Connection = con;
con.Open();

DataSet ds = new DataSet();
SqlDataAdapter adp = new SqlDataAdapter(cmd);
adp.Fill(ds,"EMPLOYEE");
return (ds);

con.Close();

}
public string setconnection()
{
String constr =
ConfigurationManager.ConnectionStrings["ConnectDBString"].ConnectionString;
SqlConnection con = new SqlConnection();
con.ConnectionString=constr;

String query = "SELECT * FROM EMPLOYEE WHERE
EmployeeName = '" + TextBox1.Text + "'";
SqlCommand cmd =new SqlCommand();
cmd.CommandText= query;
cmd.Connection=con;
con.Open();
string hd;
hd="False";
using (SqlDataReader dr = cmd.ExecuteReader())
{
while (dr.Read())
{

int ID = (int)dr["ID"];
string Name = (string)dr["EmployeeName"];
}
if (dr.FieldCount >1)
{
hd="True";

}
}

return(hd);
con.Close();

}
}