这是我的代码代码不会没有相对文件路径工作
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.OleDb;
namespace SDD_Single_Project___Michael_Merjane
{
public partial class NewUser : Form
{
private OleDbConnection connection = new OleDbConnection(); //setting up a private connection
public NewUser()
{
InitializeComponent();
connection.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=E:\schoolwork\Year 11\SDD\3 SINGLE TASK\SDD Single Project - Michael Merjane\SDD Single Project - Michael Merjane\bin\Persondata.accdb; //PROBLEM IS HERE
Persist Security Info=False;"; // there is no security for finding the location, this is not very safe but for the circumstances it works. In the line above, it is finding the location of the database. This could change due to computer and cause the whole program to not run
}
private void btnBack_Click(object sender, EventArgs e) //all of these mean when button is clicked
{
this.Hide(); //hides this page
MainScreen frm = new MainScreen(); //finds the next screen (the main screen)
frm.Show(); //shows it
}
private void btnSubmit_Click(object sender, EventArgs e)
{
try {
connection.Open(); // opens the connection
OleDbCommand command = new OleDbCommand(); //names command as a new oledbcommand for further use
command.Connection = connection;
command.CommandText = "insert into Persondata (FirstName,LastName,Address,Suburb,Email,Mobile,Gender,Age) values ('" + txtFirst.Text + "' , '" + txtLast.Text + "' , '" + txtAddress.Text + "' , '" + txtSuburb.Text + "' , '" + txtEmail.Text + "' , '" + txtMobile.Text + "' , '" + dropGender.Text + "' , '" + dropAge.Text + "') ";
// finds where its going to, finds the columns it is going to fill, finds the text boxes that is going to fill them
command.ExecuteNonQuery(); //execute the save
MessageBox.Show("Data Saved"); //pretty much shows a box saying everything worked
connection.Close(); // closes the connection
}
catch (Exception ex) //if something has gone wrong a catch will occur
{
MessageBox.Show("Error " + ex); //show the error
} //if there is a error message box will appear informing it
}
}
}
这是一个任务,我必须给代码,问题是我不能够把它因为那样的话绝对路径不会找到该文件。我需要一种方法来使用由于位置更改而可能更改的相对文件路径。目前,路径(只要是这样)进入程序文件中的bin文件夹。所以如果有一种方法来改变它,所以它会自动查找它自己的程序文件到bin或者它自己的程序文件中的任何其他地方,这很好。