while creation atable in sql server db i have the following eror
this is my code
try
{
string str="server=(local);database=test;integrated security = sspi ";
SqlConnection sc=
new SqlConnection();
sc.ConnectionString=str;
SqlCommand smd=
new SqlCommand();
smd.CommandText="create table " + textBox1 .Text + "(dd int not null , ss nvarchar(10)) ";
smd.Connection=sc;
sc.Open();
string x= smd.ExecuteNonQuery().ToString();
if(x!=null )
{
MessageBox.Show("1");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
the error is the following
object reference not set to an instance object
please help me