📄 提取金额.cs
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frm.Show();
this.Close();
}
else
MessageBox.Show("余额不足，或你今天已经取足了，不能再取！", "超支错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
sqlConnection1.Close();
}
private void button3_Click(object sender, System.EventArgs e)
{
sqlConnection1.Open();
string strin1="select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd2=new SqlCommand(strin1,sqlConnection1);
SqlDataReader dr2=cmd2.ExecuteReader();
if(dr2.Read())
{
label10.Text=dr2.GetString(0).ToString();
label11.Text=dr2.GetString(1).ToString();
dr2.Close();
int c;
int d;
c=int.Parse(label10.Text);
d=int.Parse(label11.Text);
if(c>0 && d>=200)
{
string strin2 = "select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd=new SqlCommand(strin2,sqlConnection1);
cmd.CommandText=strin2;
cmd.ExecuteNonQuery();
SqlDataReader dr=cmd.ExecuteReader();
if(dr.Read())
{
this.label8.Text=dr.GetString(0).ToString();
this.label9.Text=dr.GetString(1).ToString();
}
dr.Close();
int a =int.Parse(label8.Text);
int b=int.Parse(label9.Text);
a=a-200;
b=b-200;
label8.Text=a.ToString();
label9.Text=b.ToString();
// MessageBox.Show("看看对吧!");
string strin3="Update 用户表 set 金额 = '" + label8.Text + "',最大金额='"+label9.Text+"' where 用户帐号='" +ATM取款机.Form1.kanum + "'";
SqlCommand cmd1=new SqlCommand(strin3,sqlConnection1);
cmd1.ExecuteNonQuery();
Form5 frm =new Form5();
frm.Show();
this.Close();
}
else
MessageBox.Show("余额不足，或你今天已经取足了，不能再取！", "超支错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
sqlConnection1.Close();
}
private void button4_Click(object sender, System.EventArgs e)
{
sqlConnection1.Open();
string strin1="select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd2=new SqlCommand(strin1,sqlConnection1);
SqlDataReader dr2=cmd2.ExecuteReader();
if(dr2.Read())
{
label10.Text=dr2.GetString(0).ToString();
label11.Text=dr2.GetString(1).ToString();
dr2.Close();
int c;
int d;
c=int.Parse(label10.Text);
d=int.Parse(label11.Text);
if(c>0 && d>=300)
{
string strin2 = "select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd=new SqlCommand(strin2,sqlConnection1);
cmd.CommandText=strin2;
cmd.ExecuteNonQuery();
SqlDataReader dr=cmd.ExecuteReader();
if(dr.Read())
{
this.label8.Text=dr.GetString(0).ToString();
this.label9.Text=dr.GetString(1).ToString();
}
dr.Close();
int a =int.Parse(label8.Text);
int b=int.Parse(label9.Text);
a=a-300;
b=b-300;
label8.Text=a.ToString();
label9.Text=b.ToString();
// MessageBox.Show("看看对吧!");
string strin3="Update 用户表 set 金额 = '" + label8.Text + "',最大金额='"+label9.Text+"' where 用户帐号='" +ATM取款机.Form1.kanum + "'";
SqlCommand cmd1=new SqlCommand(strin3,sqlConnection1);
cmd1.ExecuteNonQuery();
Form5 frm =new Form5();
frm.Show();
this.Close();
}
else
MessageBox.Show("余额不足，或你今天已经取足了，不能再取！", "超支错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
sqlConnection1.Close();
}
private void button5_Click(object sender, System.EventArgs e)
{
sqlConnection1.Open();
string strin1="select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd2=new SqlCommand(strin1,sqlConnection1);
SqlDataReader dr2=cmd2.ExecuteReader();
if(dr2.Read())
{
label10.Text=dr2.GetString(0).ToString();
label11.Text=dr2.GetString(1).ToString();
dr2.Close();
int c;
int d;
c=int.Parse(label10.Text);
d=int.Parse(label11.Text);
if(c>0 && d>=400)
{
string strin2 = "select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd=new SqlCommand(strin2,sqlConnection1);
cmd.CommandText=strin2;
cmd.ExecuteNonQuery();
SqlDataReader dr=cmd.ExecuteReader();
if(dr.Read())
{
this.label8.Text=dr.GetString(0).ToString();
this.label9.Text=dr.GetString(1).ToString();
}
dr.Close();
int a =int.Parse(label8.Text);
int b=int.Parse(label9.Text);
a=a-400;
b=b-400;
label8.Text=a.ToString();
label9.Text=b.ToString();
string strin3="Update 用户表 set 金额 = '" + label8.Text + "',最大金额='"+label9.Text+"' where 用户帐号='" +ATM取款机.Form1.kanum + "'";
SqlCommand cmd1=new SqlCommand(strin3,sqlConnection1);
cmd1.ExecuteNonQuery();
Form5 frm =new Form5();
frm.Show();
this.Close();
}
else
MessageBox.Show("余额不足，或你今天已经取足了，不能再取！", "超支错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
sqlConnection1.Close();
}
private void button6_Click(object sender, System.EventArgs e)
{
sqlConnection1.Open();
string strin1="select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd2=new SqlCommand(strin1,sqlConnection1);
SqlDataReader dr2=cmd2.ExecuteReader();
if(dr2.Read())
{
label10.Text=dr2.GetString(0).ToString();
label11.Text=dr2.GetString(1).ToString();
dr2.Close();
int c;
int d;
c=int.Parse(label10.Text);
d=int.Parse(label11.Text);
if(c>0 && d>=500)
{
string strin2 = "select 金额,最大金额 from 用户表 where 用户帐号='" + ATM取款机.Form1.kanum + "'";
SqlCommand cmd=new SqlCommand(strin2,sqlConnection1);
cmd.CommandText=strin2;
cmd.ExecuteNonQuery();
SqlDataReader dr=cmd.ExecuteReader();
if(dr.Read())
{
this.label8.Text=dr.GetString(0).ToString();
this.label9.Text=dr.GetString(1).ToString();
}
dr.Close();
int a =int.Parse(label8.Text);
int b=int.Parse(label9.Text);
a=a-500;
b=b-500;
label8.Text=a.ToString();
label9.Text=b.ToString();
// MessageBox.Show("看看对吧!");
string strin3="Update 用户表 set 金额 = '" + label8.Text + "',最大金额='"+label9.Text+"' where 用户帐号='" +ATM取款机.Form1.kanum + "'";
SqlCommand cmd1=new SqlCommand(strin3,sqlConnection1);
cmd1.ExecuteNonQuery();
Form5 frm =new Form5();
frm.Show();
this.Close();
}
else
MessageBox.Show("余额不足，或你今天已经取足了，不能再取！", "超支错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
sqlConnection1.Close();
}
private void button7_Click(object sender, System.EventArgs e)
{
Form2 frm =new Form2();
frm.Show();
this.Close();
}
}
}
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