Hi @all, i know that there a many articles about my problem but i cant find a solution. I am new in WPF - MVVM and i try to understand the MVVM-Logic. So i made a little project to understand that. For my later apps i want to load UserControls dynamicly to my Window. In my StartView i have a Binding to the StartViewModel. (The Binding is in the APP.xaml)

StartView app = new StartView();
StartViewModel context = new StartViewModel();

the StartView

the StartViewModel

namespace test.ViewModel
{
public class StartViewModel : ViewModelBase
{
#region Fields
private UCStastistikViewModel _loadedControl;
#endregion

    public StartViewModel()
    {
        LoadedControl = new UCStastistikViewModel();
    }

    #region Properties / Commands
    public UCStastistikViewModel LoadedControl
    {
        get { return \_loadedControl; }
        set
        {
            if (value == \_loadedControl)
                return;

            \_loadedControl = value;
            OnPropertyChanged("LoadedControl");
        }
    }
    #endregion

    #region Methods
   
    #endregion
}

}

UCStatistikView

Hello, i have an application written in C# with VS 2010 Prof and i am using SQL Server Express 2008. It is a client Server app but the Server (SQL-Server) coud run on a client. What is the best way to make an installation file which installs my app as a Server. That means i have to make a installation file which installs my app and sql-server Express 2008 and i need another installation which installs only the client. Or it is possible to make one installation file which asks to install the sql-server ? thanks so far jogi

hello, i installed sharepoint 2010 with sql-server 2008 on windows 7 64-bit machine for testing. now the installation is ok and the central administration ist on screen. if i try to open the service accounts (sorry its a german version and i dont know the text of the english interface) i get an access denied. the same comes if i click the server in configure server in farm. i use the user-account that is defined on the win 7 machine which is admin on win 7 and displayed in sharepoint as member of the farm-admins. also a message is shown that means that not enough memory is on the win7 machine. but the message shows not the partition c of my win 7 machine. it shows the partition d which is an recovery partition - why ? i hope somebody has some ideas where i can solve my probs. bye jogi

hi, can someone tell me how to change the color of a part of a string in a cell from a datagridview. for example if the text of a cell is "125/art" how can i show the "art" in red color ? i know, i can use the Richtextbox but i dont want to change the color of the complete text. thanks for your help jogi

Hello, i have a datagridview which shows a datatable per bindingsource. Now i want to make in every row three buttons in the last cell to give my users the possibility to delete, edit or print the row. Is this possible ? I want 3 buttons in one cell, not three columns. the Buttons should be little icons. thanks so far jogi

Hello, i am using VS2008 and SQLServer 2005. my user should be able to store files/pictures in my app. what is the best way to save files like pictures at runtime ? where should i store them ? thanks bye jo

Hello, i am very new to C# so please be patient. i am printing orders in my app. so i have a button which creates the printjob. the paper will be written in the Printpage-Event. now i want to have a function that gets th order-object as a parm and print it on the paper. the reason is, that an order must be printed on severall programm modules.

private void btnDruck_Click(object sender, EventArgs e)
{
PrintDocument Druckjob = new PrintDocument();
PrintDialog Druckermenue = new PrintDialog();
PrintPreviewDialog Druckpreview = new PrintPreviewDialog();
Druckjob.DocumentName = "Rechnung";

Druckjob.PrintPage += new PrintPageEventHandler(Druckjob\_PrintPage);
Druckpreview.Document = Druckjob;
Druckermenue.Document = Druckjob;
if (Druckermenue.ShowDialog() == DialogResult.OK)
{
	Druckjob.Print();
}
Druckjob.PrintPage -= new PrintPageEventHandler(Druckjob\_PrintPage);

}
void Druckjob_PrintPage(object sender, PrintPageEventArgs e)
{
Graphics g = e.Graphics;
StringFormat lineFmtRight = new StringFormat();
lineFmtRight.Alignment = StringAlignment.Far;
g.PageUnit = GraphicsUnit.Millimeter;

// Druckausgabe ...
// Drucken ..

g.Dispose();

}

bye jo

hello @all, i use this code to format number values in a textbox:

tbxProzentwert1.DataBindings.Add("Text", bs, "prozentwert1", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, null, "#0.00#");

I have no other Validation-Formatting in my prog. So the value will be formatted like 1 -> 1.00 0 -> 0.00 1.4 -> 1.40 thats ok. But if i write a character or leave the value blank, the focus will stick to the field. Now i have to put a 0 or any number i it to leave the textbox ... Is it possible to write a 0 to the value if the value can not be formated ? Bye jo

sorry, i never did hat. can you give a example ?

Hi, i use VS2008 and SQLServer 2005. How can i debug a sql-statement, that includes parameters like this ?

string sqlstatement = "INSERT INTO artikel (nr,text1,text2)" +
"VALUES" +
"( @parm1, " +
" @parm2, " +
" @parm3 " +
" " +
" )";
SqlCommand sqlins = new SqlCommand(sqlstatement, con);
sqlins.Parameters.Add("@parm1", SqlDbType.NVarChar).Value = var1;
sqlins.Parameters.Add("@parm2", SqlDbType.Int).Value = var2;
sqlins.Parameters.Add("@parm3", SqlDbType.Int).Value = var3;
sqlins.ExecuteNonQuery();

so, how can i see the statement, that will be sent to the sql-server ? bye jogi

Hi, i have a Datagridview that shows a list of customers (List<customer>). Now i have a property named selectedCustomer. How can i bind the property to the selected row of my datagridview ? bye jo

Hi, i have a class "user" that implements INotifyPropertyChanged. with databinding i bind a objekt user1 to textboxes on a winform. If i change the properties from user1, the textboxes will be updated. Now i have a function that returns an objekt(user). user1 = getuser(); -> no changes in the textbox. with debugging i see, that the setter was not called. How can i get this done ? i want to see the returned data in my textboxes. bye jo

Hi, i have an application with my own Login-System. When a user starts the app and loggs correct in,i want to store user-data in a class "Logininformation". i have to access the Logininformation class in many other forms. How could this be done ? I know that global Vars are not allowed in C#, but how can i get this problem done ? bye jogi

hi, i have a datagridview on a usercontrol "products" hosted from a form "productsform". my grid shows a dataset by using a bindingsource bsproduct with nearly 500 records. by clicking a row in the grid i want to show a detailform "productdetailform" with a usercontrol "productdetails" that has textboxes and displays the values. after changing the data, the row in the dataset should be updated, and the productdetailform should be closed. how can i handle this ? i thought i can deliver the bindingsource bsproduct to the productdetailform and bind my controls to the Usercontrol productdetails. delivering the bindingsource to productdetailform is ok, but how can i access the bindingsource in the code of the userontrol productdetails ?? bye jo

Hi, i show products in a datagridview with a dataset as source. now i want to show a detailform by clicking a datagrid row. the changes in the detailform should be transfered to the dataset an shown in the datagrid. how could this be handled ? i use C# with VS2008 by jogi

Hi, i want to show in a textbox the value from a selected row in my datagridview.

DataSet dsHersteller = new DataSet();
BindingSource bsHersteller = new BindingSource();

dsHersteller = herstellermanager.GetList(); // - delivers a dataset
bsHersteller.DataSource = dsHersteller.Tables["producer"];
bsHersteller.Sort = "producer_id";
dgvHersteller.DataSource = bsHersteller.DataSource;

tbxHerstellerNr.DataBindings.Add("Text", bsHersteller, "producer_id");

Now, when i start the app, the value of the textbox is the first row in datagridview. If i select another row, nothing changes in my textbox. I thougt, i bound the textbox to the grid ?? Can anybody give me tips for my problem ? By jogi

Hi, i want to change the colors of a menustrip(VS2008). i changed the backgroundcolor and the textcolor with the designer. the background is black and the text is grey. it looks nice but if i hover over the menu, the submenu pops up and the style looks like the standard style. How can i change the colors of the menuitems too ? bye jo

Hi Thomas, thanks for your help. I made it like you described. Now i have a list(List) of customers (like your example) in my grid. How can i write the changed Data from the grid back to the DAL ? Can i Update the grid in one Step ? Or do i have to get the changed rows and update every changed row per code ? bye jogi

hello, i try to learn the 3tier-architecture But there are a few question: 1.How can i fill a datagridview in my UI. the grid should be filled by a dataset. user can change the data in the grid. How could this be realized ? a) The DAL returns a dataset to the BAL and the BAL forwards the dataset to the UI? b) The DAL returns a datatable to the BAL and the BAL creates a dataset and forwards it to the UI? c) other? 2.How can i update the database ? That should be realized with the DataAdapter, right? bye jogi

Hi, i try to explain. a mask is a window. My Programm should have a module stockmanagement with 3 Forms/windows. And a module suppliermanagement with 3 Forms/windows.