public static List<string> GetColumnString(string s)
{
DBConnect db = new DBConnect(connString);
//MySqlConnection conn = new MySqlConnection(connString);
MySqlCommand command = db.conn.CreateCommand();
command.CommandText = "SELECT COLUMN_NAME FROM information_schema.COLUMNS C WHERE table_name = '" + s + "'";
List<string> list = new List<string>();
try
{
db.conn.Open();
using (var reader = command.ExecuteReader(CommandBehavior.KeyInfo))
{
while (reader.Read())
{
list.Add(reader.GetString(0));
}
//var table = reader.GetSchemaTable();
//foreach (DataColumn column in table.Columns)
//{
// Console.WriteLine(column.ColumnName.ToString());
// list.Add(column.ColumnName);
//}
foreach (var element in list)
{
Console.WriteLine(element);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally { db.conn.Close(); }
return list;
}
public List<string> GetTables()
{
List<string> TableNames = new List<string>();
try
{
//MySqlConnection connection = new MySqlConnection(connString)
db = new DBConnect(connString);
db.conn.Open();
//using (db.conn.Open())
//{
//connection.Open();
DataTable schema = db.conn.GetSchema("Tables");
foreach (DataRow row in schema.Rows)
{
TableNames.Add(row[2].ToString());
}
////}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
db.conn.Close();
}
//foreach (var element in TableNames)
//{
// Console.WriteLine(element);
//}
return TableNames;
}
public static List<string> GetTables()
{
DBConnect db = new DBConnect(connString);
List<string> TableNames = new List<string>();
try
{
//using (MySqlConnection connection = new MySqlConnection(connString))
//{
//connection.Open();
db.conn.Open();
DataTable schema = db.conn.GetSchema("Tables");
foreach (DataRow row in schema.Rows)
{
TableNames.Add(row[2].ToString());
}
//}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
db.conn.Close();
}
return TableNames;
}
public void updateChart()
{
tabelList = GetTables();
foreach (var series in chart1.Series)
{
series.Points.Clear();
}
db = new DBConnect(connString);
try
{
db.conn.Open();
for (int i = 0; i < tabelList.Count; i++)
{
string comandString = "SELECT COUNT(*) FROM ";
comandString += tabelList[i];
int count = 0;
using (MySqlCommand cmd1 = new MySqlCommand(comandString, db.conn))
{
//db.conn.Open();
count = int.Parse(cmd1.ExecuteScalar().ToString());
}
this.chart1.Series["Number of records"].Points.AddXY(tabelList[i], count);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
db.conn.Close();
}
}
private void button3_Click(object sender, EventArgs e)
{
DBConnect db = new DBConnect(connString);
try
{
Console.WriteLine(creareStringComanda());
comanda = creareStringComanda();
MySqlCommand com=new MySqlCommand(comanda,db.conn);
db.conn.Open();
com.ExecuteNonQuery();
label2.Text = "Done";
}catch(Exception ex)
{
label2.Text = "Error";
MessageBox.Show(ex.Message);
}finally{
db.conn.Close();
}
}
private void button1_Click(object sender, EventArgs e)
{
DBConnect db = new DBConnect(connString);
MySqlCommand com = new MySqlCommand(getCommandString(), db.conn);
Console.WriteLine(getCommandString());
try
{
db.conn.Open();
com.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
db.conn.Close();
this.Close();
}
}
