i am using this code for searching against diffrent parameters. but when i enter wrong record error messag is shown "not found" when i enter valid record it populated to datagridview and agin error messag shown not found i whant to remove it. but when i remove it from current place then on wrong entry no error is shown help me plz.
if (comboBox1.SelectedItem.ToString() == "Acc_No")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Account_no= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "Name")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Name= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "CNIC")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where CNIC_no= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "Contact No")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Phone_No= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "Registration No")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Registration_no= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "Frame No")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Frame_no= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
if (comboBox1.SelectedItem.ToString() == "Engine No")
{
my.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from addcustomer where Engine_no= '" + textBox1.Text + "'", my);
da.Fill(dt);
dataGridView1.DataSource = dt.DefaultView;
my.Close();
}
else
{
MessageBox.Show("No record found");
my.Close();
}