private void SearchForm_Load(object sender, EventArgs e)
{
StockInCompanyLoadManager sInComLMagObj = new StockInCompanyLoadManager();
DataTable dt = sInComLMagObj.GetCompanyNames();
for (int i = 0; i < dt.Rows.Count; i++)
{
searchCompanyComboBox.Items.Add(dt.Rows[i]["Name"]);
}
}