protected void Button3_Click(object sender, EventArgs e)
{
string filename = FileUpload1.PostedFile.FileName;
string insertQuery = "insert into tablename emp values(' " + strEmpId + " ','" + filename + "') ";
SqlConnection cn = new SqlConnection("CONNECTION STRING");
cn.Open();
SqlCommand cmd = new SqlCommand(deleteQuery, cn);
cmd.ExecuteNonQuery();
cn.Close();
}