2016-06-28 57 views
0

我执行UPDATE或与WHERE声明INSERT命令,我已经得到了这个错误:火鸟未知令牌哪里

enter image description here

这里是我的代码:

private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e) 
{ 
    try 
    { 
    FbConnection con = new FbConnection(@"User = SYSDBA; Password = masterkey; Database = D:\TDWORK.fdb; DataSource = localhost; Port = 3050; Dialect = 3; Charset = NONE; Role = admin; Connection lifetime = 15; Pooling = true; MinPoolSize = 0; MaxPoolSize = 50; Packet Size = 8192; ServerType = 0; "); 
    FbCommand cmd = new FbCommand("UPDATE OR INSERT INTO ZAPOSLENI (ULOGA) VALUES (" + dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() + ") WHERE ZAPID = " + dataGridView1.Rows[e.RowIndex].Cells[0].Value + " ", con); 
    con.Open(); 
    cmd.ExecuteNonQuery(); 
    con.Close(); 
    } 
    catch (Exception ex) 
    { 
    MessageBox.Show(ex.ToString()); 
    } 
} 

这里是如何命令看起来像调试器在其中插入值时:

UPDATE OR INSERT INTO ZAPOSLENI (ULOGA) VALUES (1) WHERE ZAPID = 0 
+0

您当前的代码是不安全的,因为它是开放的SQL注入。你应该真的使用参数。 –

+0

你是什么意思 – Pacijent

+0

你将值连接到查询字符串中,这是不安全的。您需要使用参数,请参阅示例[此答案](http://stackoverflow.com/a/10438372/466862) –

回答

2

在插入或更新子句中不能使用WHERE(请参阅UPDATE OR INSERT)。如果你想插入行,当有与ZAPID = 0没有记录使用如下语句:

UPDATE OR INSERT INTO ZAPOSLENI (ZAPID, ULOGA) VALUES (0, 1) MATCHING (ZAPID) 

编辑:完整的示例

private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e) 
{ 
    try 
    { 
     FbConnection con = new FbConnection(@"User = SYSDBA; Password = masterkey; Database = D:\TDWORK.fdb; DataSource = localhost; Port = 3050; Dialect = 3; Charset = NONE; Role = admin; Connection lifetime = 15; Pooling = true; MinPoolSize = 0; MaxPoolSize = 50; Packet Size = 8192; ServerType = 0; "); 
     FbCommand cmd = new FbCommand("UPDATE OR INSERT INTO ZAPOSLENI (ZAPID, ULOGA) VALUES (" + dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() + ", " + dataGridView1.Rows[e.RowIndex].Cells[0].Value + ") MATCHING (ZAPID)", con); 
     con.Open(); 
     cmd.ExecuteNonQuery(); 
     con.Close(); 
    } 
    catch (Exception ex) 
    { 
     MessageBox.Show(ex.ToString()); 
    } 
} 
+0

它不起作用。它表示更新或插入与MATCHING子句不匹配。这里是命令: 'FbCommand cmd = new FbCommand(“UPDATE or INSERT INTO ZAPOSLENI(ULOGA)VALUES(”+ dataGridView1.Rows [e.RowIndex] .Cells [e.ColumnIndex] .Value.ToString()+“) MATCHING(ZAPID)“,con);' – Pacijent

+0

我想你必须在列和值中包含'ZAPID',就像我在答案中所做的那样。 – scher

+0

答案对你有帮助吗? – scher