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Sai Kishore
NA
7
1.3k
I write a piece of code for binding different values into a combobox at run time
Jun 18 2012 9:59 AM
hi friends i write a piece of code for binding different values into a combobox at run time.. the code is running properly for one value, if i want to add some more values at run time to the same combobox then it is replacing the old values with the new values... i dont want to replace the values.. it has to append the values to the same combobox..
please go thru the code.... as follows...
DataSet dsInv =new DataSet();
OleDbDataAdapter dap = new OleDbDataAdapter("select InvestigationName from ServiceInvestigations where BillNo =" + txtBillNo.Text + "", cn);
dap.Fill(dsInv, "ServiceInvestigations");
dgvReports.DataSource = dsInv.Tables["ServiceInvestigations"];
for (int i = 0; i < dgvReports.RowCount - 1; i++)
{
string tesName = dgvReports.Rows[i].Cells["InvestigationName"].Value.ToString();
txtInvestigations.Text = string.Concat(tesName+",",txtInvestigations.Text);
if (cn.State == ConnectionState.Open)
{
cn.Close();
}
cn.Open();
OleDbDataAdapter da = new OleDbDataAdapter("select [Inv_name] from [Investigation] where Lab='"+tesName+"' ", cn);
DataTable dt = new DataTable();
da.Fill(dt);
DataRow dr;
dr = dt.NewRow();
cmbInvNames.DisplayMember = "Inv_name";
cmbInvNames.ValueMember = "Inv_name";
cmbInvNames.DataSource = dt;
cmbInvNames.Items.Add(item);
cmbInvNames.Items.Add(dt);
cn.Close();
}
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