protected void btnSave_Click(object sender, EventArgs e)
{
if (Request.QueryString["action"] != null)
{
clsContactUS about = new clsContactUS();
about.NoiDung = this.txtNoiDung.Value;
if (Request.QueryString["action"].ToString().Equals("new"))
{
obj.Insert(about);
this.Page.ClientScript.RegisterStartupScript(Page.GetType(), "show", "<script type='text/javascript'>alert('Thêm mới thành công')</script>");
}
else
{
if (Request.QueryString["action"].ToString().Equals("edit"))
{
if (Request.QueryString["ID"] != null)
{
int id = Convert.ToInt32(Request.QueryString["ID"]);
about.Id = id;
obj.Update(about);
this.Page.ClientScript.RegisterStartupScript(Page.GetType(), "show", "<script type='text/javascript'>alert('Cập nhật thành công')</script>");
}
}
}
}
this.odsContactUS.DataBind();
this.GridView1.DataBind();
}
public clsContactUS GetById(int id)
{
try
{
clsContactUS obj = new clsContactUS();
string str = "select * from tblContactUS where id=@id";
SqlCommand com = new SqlCommand(str, con.getCon());
com.Parameters.AddWithValue("@id", id);
con.openCon();
SqlDataReader dr = com.ExecuteReader();
if (dr.Read())
{
obj.Id = id;
if (dr["noidung"] != DBNull.Value)
{
obj.NoiDung = dr["noidung"].ToString();
}
}
return obj;
}
catch (Exception)
{
throw;
}
finally
{
con.closeCon();
}
}
public List<clsContactUS> GetAll()
{
try
{
List<clsContactUS> list = new List<clsContactUS>();
string str = "select * from tblContactUS";
SqlCommand com = new SqlCommand(str, con.getCon());
con.openCon();
SqlDataReader dr = com.ExecuteReader();
while (dr.Read())
{
clsContactUS obj = new clsContactUS();
if (dr["noidung"] != DBNull.Value)
{
obj.NoiDung = dr["noidung"].ToString();
}
if (dr["id"] != DBNull.Value)
{
obj.Id = Convert.ToInt32(dr["id"].ToString());
}
list.Add(obj);
}
return list;
}
catch (Exception)
{
throw;
}
finally
{
con.closeCon();
}
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
if (Request.QueryString["action"] != null)
{
if (this.pnInfo.Visible == false)
{
if (Request.QueryString["action"].ToString().Equals("new"))
{
this.pnInfo.Visible = true;
this.txtNoiDung.Value = "";
}
else
{
if (Request.QueryString["action"].ToString().Equals("edit"))
{
if (Request.QueryString["ID"] != null)
{
this.pnInfo.Visible = true;
int id = Convert.ToInt32(Request.QueryString["ID"]);
clsContactUS about = new clsContactUS();
about = obj.GetById(id);
this.txtNoiDung.Value = about.NoiDung;
}
}
}
}
}
else
{
this.pnInfo.Visible = false;
}
}
catch (Exception)
{
throw;
}
}
public void Update(clsContactUS obj)
{
try
{
string str = "Update tblContactUS set noidung=@noidung where id=@id";
SqlCommand com = new SqlCommand(str, con.getCon());
com.Parameters.AddWithValue("@noidung", obj.NoiDung);
com.Parameters.AddWithValue("@id", obj.Id);
con.openCon();
com.ExecuteNonQuery();
con.closeCon();
}
catch (Exception)
{
throw;
}
finally
{
con.closeCon();
}
}
public int Insert(clsContactUS obj)
{
try
{
string str = "insert into tblContactUS(noidung) values(@noidung)";
SqlCommand com = new SqlCommand(str, con.getCon());
com.Parameters.AddWithValue("@noidung", obj.NoiDung);
con.openCon();
com.ExecuteNonQuery();
con.closeCon();
return clsDAStaticMethod.getIDIdentity("tblContactUS");
}
catch (Exception)
{
throw;
}
finally
{
con.closeCon();
}
}
