[英]SQL Join Multiple table query
I wrote following code: 我写了以下代码:
cmd = new SqlCommand("Select City.City, Company.Company,Emp_Depart.Department,Emp_Name.Uname from Emp_Name INNER join Emp_Name on" +
"Emp_Name.Id=Emp_Depart.Id Emp_Name.Id=Company.Id Emp_Name.Id=City.Id where Emp_Name.Id=" + txtId.Text);
cmd.Connection = con;
da = new SqlDataAdapter(cmd);
dt = new DataTable();
da.Fill(dt);
txtName .Text = dt.Rows[0][1].ToString().Trim();
I am getting following error 我收到以下错误
Additional information: Incorrect syntax near '.'.
附加信息:
Incorrect syntax near '.'.
I am newbie for Joins Please help me out... 我是Joins的新手,请帮帮我...
You missed And operator
in join condition
您错过了
join condition
And operator
SELECT CITY.CITY,
COMPANY.COMPANY,
EMP_DEPART.DEPARTMENT,
EMP_NAME.UNAME
FROM EMP_NAME
INNER JOIN EMP_DEPART
ON EMP_NAME.ID = EMP_DEPART.ID
INNER JOIN COMPANY
ON EMP_NAME.ID = COMPANY.ID
INNER JOIN CITY
ON EMP_NAME.ID = CITY.ID
WHERE EMP_NAME.ID =+ TXTID.TEXT
You need to add AND
between multiple join conditions. 您需要在多个联接条件之间添加
AND
。 Also, add a space after EMP_name on
. 另外,在上
EMP_name on
之后添加一个空格。
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