public Boolean addCity(CityTable newCity)
{
try
{
UserManagerDataClassesDataContext db = new UserManagerDataClassesDataContext(cn);
db.CityTables.InsertOnSubmit(newCity);
db.SubmitChanges();
return(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(false);
}
}
public Boolean removeCity(CityTable newCity)
{
try
{
UserManagerDataClassesDataContext db = new UserManagerDataClassesDataContext(cn);
var q = from a in db.CityTables where a.Id == newCity.Id select a;
foreach (var a in q)
{
db.CityTables.DeleteOnSubmit(a);
}
db.SubmitChanges();
return(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(false);
}
}
private void addCityToFormManagerButton_Click(object sender, EventArgs e)
{
try {
CityTable newCity = new CityTable();
newCity.CityName = CityTextBox.Text;
newCity.Id = Convert.ToInt64(IDTextBox.Text);
SqlManipulator sql = new SqlManipulator();
if (sql.addCity(newCity))
{
makeTable(sql.getDataCity());
MessageBox.Show("با موفقیت شهر مورد نظر اضافه گردید");
mainForm.setCityComboBox();
}
else
{
MessageBox.Show("خطا");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void RemoveButton_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("آیا از حذف مطمئن هستید؟", "هشدار", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dialogResult == DialogResult.Yes)
{
try {
selectedRow = cityDataGridView.CurrentCell.RowIndex;
SqlManipulator sql = new SqlManipulator();
DataGridViewRow newDataRow = cityDataGridView.Rows[selectedRow];
CityTable deletedCity = new CityTable();
deletedCity.Id = (long)newDataRow.Cells[1].Value;
deletedCity.CityName = (string)newDataRow.Cells[0].Value;
sql.removeCity(deletedCity);
var cityData = sql.getDataCity();
makeTable(cityData);
}
catch (Exception)
{
throw;
}
}
}
private void detach_CityTables(CityTable entity)
{
this.SendPropertyChanging();
entity.UserTable = null;
}
private void attach_CityTables(CityTable entity)
{
this.SendPropertyChanging();
entity.UserTable = this;
}
partial void DeleteCityTable(CityTable instance);
partial void UpdateCityTable(CityTable instance);
partial void InsertCityTable(CityTable instance);
