i set the dataSource to datagridview

DatTbl = CustomerManger.SelectCustomersAllDT(); //dattbl is datatable
ds.Tables.Add(DatTbl); //ds is dataset
DatTbl.TableName = "Customers";
dgvCustomers.DataSource = null;
dgvCustomers.DataSource = ds;
dgvCustomers.DataMember = "Customers";

then is selectionChange event i Select another data in list and before set it to listbox datasource .. datasource of datagrid change :mad: :confused: and all columns and data of customer cleared and replaced by Notices ???????

private void dgvCustomers_SelectionChanged(object sender, EventArgs e)
{
NoticList NL=NoticeManager.SelectNoticesbyCustCD(newCust.CustId);
}

if i comment this line datasource of datagrid view doesn't change

thank OriginalGriff

HORRIBLE idea :(( :(( :D thanks SledgeHammer01

Eddy Vluggen thanks :)

i have more than 55000 Customer and i wanna Fill Combobox with this customers quick .. there is any way to load form quickly and to enter Combobox quickly ** i use background worker but this hang my form and my app is run slowly can i use threading and how i want solutin plz

private void backWork_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
}
else
{
FillComboBox();
cmb3ameelname.Focus();
Loadform = true;
cmb3ameelname.SelectedItem = null;
cmbLandTele.SelectedItem = null;
}
}

private void backWork_DoWork(object sender, DoWorkEventArgs e)
{
CusLis = CustomerManger.SelectCustomersAll();
}

void FillComboBox()
{
cmbameelname.DataSource = CusLis;
cmbameelname.DisplayMember = "CustName";
cmbameelname.ValueMember = "CustId";
}

frm_load()
{
this.backWork.DoWork += new DoWorkEventHandler(this.backWork_DoWork);

    this.backWork.RunWorkerCompleted+=new RunWorkerCompletedEventHandler(this.backWork\_RunWorkerCompleted);

  this.backWork.RunWorkerAsync();

}

iam tring now.. and i havn't any idea how to add tool in runtime and make it fixed not evey time add from 0 ?

i need if row add automatic add button in runtime and be fixed once another row added not every time add all rows in runtime ? ... are this available ?

i will use it in touch screen So buttons is better than combobox

first thanks ,i know what u say :).. but i wanna to make it ana my boss need this :D :D

i have table in DB (id,name) and have form with panel if i have 5 names in table have 5 buttons in this panel each one beside each other i want if user add any row in this table dynamically when form load add button beside last one to the end of panel and if add another add at bottom of this buttons and sidebar appear it's difficult to make this buttons add in runtime beside other ... and table can contain 100 rows :S:S so plz i need help in this :)

the answer :D

private const UInt32 WM_KEYDOWN = 0x0100;

    public bool PreFilterMessage(ref Message m)
    {
        if (this.ActiveControl is DataGridViewTextBoxEditingControl)
        {
            if (m.Msg == WM\_KEYDOWN)
            {
                Keys keyCode = (Keys)(int)m.WParam & Keys.KeyCode;

                if (keyCode == Keys.Enter)
                {

                    if (this.dgvReadInsert.CurrentCell.ColumnIndex == 4 || this.dgvReadInsert.CurrentCell.ColumnIndex == 10 || this.dgvReadInsert.CurrentCell.ColumnIndex == 6 || this.dgvReadInsert.CurrentCell.ColumnIndex == 12 || this.dgvReadInsert.CurrentCell.ColumnIndex == 13 || this.dgvReadInsert.CurrentCell.ColumnIndex == 14)

                        this.dgvReadInsert.CurrentCell = this.dgvReadInsert\[6, this.dgvReadInsert.CurrentCell.RowIndex + 1\];

                    return true;

                }
            }

            return false;

        }

        return false;

    }

after inherit from class form1 : Form, IMessageFilter

how can i handle Datagridview's Keydown Event after editing cell on Enter key Press datagridview have columns readonly=false and columns readonly=true need when i press enter key goto cell[6] of next row from any cell in previous row (====> this important one) and when i press tab from cell [4] call func and tab from other cells call another func

hey guys i need help plz i want when i press enter in cell cursor go down to the the cell in same column but when i press tab go to next cell in the same row how ? :(( :((

i create report rdlc and pass to it datasource ana add it in Microsoft report viewer and on this report i add image from toolbox i need to pass image from DB in this image box

thnx alot MDL=>Moshu :D :D in sql server is need to enable tcp\ip or named pipes or something another in configuration or when i setup sql express need to enable thing in setup i try to use ip 127.0.0.1 and return exception is there any port needed in the connection string

You cannot vote on your own post 0 i want to run windows form program in more than one PC and the database to be in one PC and other PCs connect to it DB (sql server) >>>>>>>> how can i control *in setup of sql server *or on connection string *and what the requirements to make this is need to windows server or sql express ________________________________ tell me the steps and requirements please :)

the program will run on local network

i want to run windows form program in more than one PC and the database to be in one PC and other PCs connect to it DB (sql server) >>>>>>>> how can i control *in setup of sql server *or on connection string *and what the requirements to make this is need to windows server or sql express ________________________________ tell me the steps and requirements please :)

i don`t know what i can say to you but Thank you think

thaaanks but the exam ended .. and i will do my best in other exams :D