alighorbani2014
پنج شنبه 21 شهریور 1398, 21:07 عصر
سلام دوستان-کسی میدونه مشکل این کد چیه؟کد خطا نداره فقط ارتباط برقرار نمیکنه -واینکه این کد تو محیط فرم نوشته نشده
public interface mydatabase
{
void selecte(string comand);
string setname(string n);
}
public class access : mydatabase
{
private Form1 f1 = new Form1();
public void selecte(string comand)
{
DataTable dt = new DataTable();Studio
OleDbConnection con = new OleDbConnection();
OleDbCommand com = new OleDbCommand();
OleDbDataAdapter olda = new OleDbDataAdapter();
con.ConnectionString = adres_accses;
com.Connection = con;
com.CommandText = comand;
olda.SelectCommand = com;
con.Open();
olda.Fill(dt);
com.ExecuteNonQuery();
f1.dgv1.DataSource = dt;
dt.Columns[0].ColumnName = "a";
dt.Columns[1].ColumnName = "b";
dt.Columns[2].ColumnName = "c";
dt.Columns[3].ColumnName = "d";
dt.Columns[4].ColumnName = "e";
con.Close();
public interface mydatabase
{
void selecte(string comand);
string setname(string n);
}
public class access : mydatabase
{
private Form1 f1 = new Form1();
public void selecte(string comand)
{
DataTable dt = new DataTable();Studio
OleDbConnection con = new OleDbConnection();
OleDbCommand com = new OleDbCommand();
OleDbDataAdapter olda = new OleDbDataAdapter();
con.ConnectionString = adres_accses;
com.Connection = con;
com.CommandText = comand;
olda.SelectCommand = com;
con.Open();
olda.Fill(dt);
com.ExecuteNonQuery();
f1.dgv1.DataSource = dt;
dt.Columns[0].ColumnName = "a";
dt.Columns[1].ColumnName = "b";
dt.Columns[2].ColumnName = "c";
dt.Columns[3].ColumnName = "d";
dt.Columns[4].ColumnName = "e";
con.Close();