如何使用c#中的where从文本框中插入数据以访问数据库

Question

Hi guys I have Access database that have some data on it and the ID is Auto Number ex ID 17 , and a Column under name phone number ex: 222 , so I want to now enter another phone number to same column phone number cuz this person have two phone number

OleDbCommand cmd = new OleDbCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "insert into data ( [Phone number] ) values ('" + textBox3.Text + "') WHERE [ID] like  '" + textBox15.Text + "'  ";
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
System.Windows.Forms.MessageBox.Show("Data Inserted Successfully");
con.Close();

Answer 1

 OleDbCommand cmd = new OleDbCommand();
 cmd.CommandType = CommandType.Text;
 cmd.CommandText = "insert into [data] ( [Date],[Name] ) values ('" + textBox1.Text + "','" + textBox2.Text + "')";
 cmd.Connection = con;
 con.Open();
 cmd.ExecuteNonQuery();
 System.Windows.Forms.MessageBox.Show("Data Inserted Successfully");
 con.Close();