protected void btnGuardar_Click(object sender, EventArgs e)
{
if (imagen != "")
{
// Create a name for the file to store
HttpPostedFile myFile = fuImagen.PostedFile;
if (!imagenExiste(imagen))
{
if (myFile.FileName != null & myFile.FileName != "")
{
int nFileLen = myFile.ContentLength;
// Allocate a buffer for reading of the file
// make sure the size of the file is > 0
if (nFileLen > 0)
{
byte[] myData = new byte[nFileLen];
myFile.InputStream.Read(myData, 0, nFileLen);
// Create a name for the file to store
string strFilename = "\\Banners\\" + Path.GetFileName(myFile.FileName);
// Write data into a file
WriteToFile(Server.MapPath(strFilename), ref myData);
imgMuestra.ImageUrl = ".." + strFilename;
//imagen = strFilename.Substring(strFilename.LastIndexOf("\\") + 1);
}
}
oBanner unBanner = new oBanner();
unBanner.nombre = txtNombre.Text;
unBanner.imagen = imagen;
unBanner.columna = ddlColumna.SelectedValue;
unBanner.activo = chkActivo.Checked;
unBanner.link = txtLink.Text;
nBanner nBanner = new nBanner();
nBanner.Alta(ref unBanner);
string sError = cargar_Grilla();
}
}
else
{
Response.Write("<script type='text/javascript' language='javascript'> alert('La imagen seleccionada ya se encuentra cargada.');</script>");
}
}
protected void BtnModificar_Click(object sender, EventArgs e)
{
oBanner unBannerModificar = new oBanner();
if (vioImagen)
imagenEditar = imgMuestraEditar.ImageUrl.Substring(imgMuestraEditar.ImageUrl.LastIndexOf("\\") + 1);
//btnVerImagenEditar_Click(sender, e);
if (imagenEditar != "")
{
// Create a name for the file to store
if (!vioImagen)
{
HttpPostedFile myFile = fuImagenEditar.PostedFile;
if (myFile.FileName != null & myFile.FileName != "")
{
int nFileLen = myFile.ContentLength;
// Allocate a buffer for reading of the file
// make sure the size of the file is > 0
if (nFileLen > 0)
{
byte[] myData = new byte[nFileLen];
myFile.InputStream.Read(myData, 0, nFileLen);
// Create a name for the file to store
string strFilename = "\\Banners\\" + Path.GetFileName(myFile.FileName);
// Write data into a file
WriteToFile(Server.MapPath(strFilename), ref myData);
imgMuestraEditar.ImageUrl = ".." + strFilename;
//imagen = strFilename.Substring(strFilename.LastIndexOf("\\") + 1);
unBannerModificar.imagen = imagenEditar;
}
}
}
else
{
unBannerModificar.imagen = imagenEditar;
}
}
unBannerModificar.id = int.Parse(hId.Value.ToString());
unBannerModificar.nombre = txtNombreEditar.Text;
unBannerModificar.columna = ddlColumnaEditar.SelectedValue;
unBannerModificar.imagen = imagenEditar;
unBannerModificar.activo = chkActivoEditar.Checked;
nBanner nBanner = new nBanner();
nBanner.Modificar(unBannerModificar);
string sError = cargar_Grilla();
formModificar.Visible = false;
vioImagen = false;
}
private bool imagenExiste(string imagen)
{
nBanner unBannerN = new nBanner();
return unBannerN.Buscar_Uno(imagen);
}
private string cargar_Grilla()
{
string sError = "";
DataTable dt = new DataTable();
nBanner unBannerN = new nBanner();
sError = unBannerN.Buscar_Todos(ref dt);
grdBanners.DataSource = dt;
grdBanners.DataBind();
return sError;
}
protected void grdBanners_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Editar")
{
string sError = "";
try
{
if (int.Parse(e.CommandArgument.ToString()) > 0)
{
nBanner unBannerN = new nBanner();
oBanner unBannerO = new oBanner();
sError = unBannerN.Buscar_Uno(int.Parse(e.CommandArgument.ToString()), ref unBannerO);
hId.Value = unBannerO.id.ToString();
txtNombreEditar.Text = unBannerO.nombre;
imgMuestraEditar.ImageUrl = unBannerO.imagen;
chkActivoEditar.Checked = unBannerO.activo;
ddlColumnaEditar.SelectedValue = unBannerO.columna;
txtLinkEditar.Text = unBannerO.link;
formModificar.Visible = true;
//HtmlGenericControl formModificar = new HtmlGenericControl("formModificar");
//formModificar.FindControl("");
}
}
catch (Exception ex)
{
Response.Write("<script type='text/javascript' language='javascript'> alert('" + sError + "');</script>");
}
}
}
private List<oBanner> carga_ListaBanners()
{
List<oBanner> banners = new List<oBanner>();
nBanner bannerN = new nBanner();
DataTable dt = new DataTable();
string sError = bannerN.Buscar_TodosInicio(ref dt);
foreach (DataRow dr in dt.Rows)
{
oBanner unBanner = new oBanner();
unBanner.id = Convert.ToInt32(dr["id"].ToString());
unBanner.nombre = (dr["nombre"] == DBNull.Value ? "" : dr["nombre"].ToString());
unBanner.imagen = (dr["imagen"] == DBNull.Value ? "" : dr["imagen"].ToString());
unBanner.activo = (dr["activo"].ToString().ToLower() == "false" ? false : true);
unBanner.columna = (dr["columna"] == DBNull.Value ? "" : dr["columna"].ToString());
unBanner.link = (dr["link"] == DBNull.Value ? "" : dr["link"].ToString());
banners.Add(unBanner);
}
return banners.Where(a => a.activo == true).ToList<oBanner>();
}
