How to authentication user login in C# winform using mysql

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C#

WinForms

MySQL

database

XAMPP

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I am facing Problems in Authentication of user Login that name and password is same as Name And Password in MySQL Databases?Kindly help me.I want to Login to Only those user who are in databases and warning message to create new account to those who does't have any account in databases

What I have tried:

private void AccountLogin() {

try
{

string Query = "SELECT * FROM acceptor WHERE name= '" + UserNameTxtBox.Text + "' AND password='" + PasswordTxtBox.Text + "'";
MySqlConnection MyConn2 = new MySqlConnection(MyConnection2);
MySqlCommand MyCommand2 = new MySqlCommand(Query, MyConn2);
MySqlDataReader MyReader2;
MyConn2.Open();
MyReader2 = MyCommand2.ExecuteReader();

MessageBox.Show("Welcome dear'"+UserNameTxtBox.Text+"'");

while (MyReader2.Read())
{
}

MyConn2.Close();

}

catch (Exception ex)
{
MessageBox.Show(ex.Message);
}