taking input from combobox as an parameter to an sql query

Question

0.00/5 (No votes)

See more:

i want to select a text from an combo box and give that as a parameter to an sql query

i have written the query as below:

VB

Dim strSelect As String = "SELECT * FROM Table1 WHERE city='ComboBox1.SelectedItem()'"
Dim da As New OleDbDataAdapter(strSelect, con)
Dim ds As New DataSet
da.Fill(ds, "city")

but i am getting error ,can u please tell me how to write query to accept input from combobox

thanks

Posted 23-Aug-11 8:47am

l_d

Updated 23-Aug-11 8:48am

Simon Bang Terkildsen

v2

Add a Solution

3 solutions

Solution 1

Try this:

VB

Dim strSelect As String = string.Format("SELECT * FROM table1 WHERE city='{0}'", ComboBox1.SelectedItem)

Posted 23-Aug-11 9:03am

#realJSOP

Comments

l_d 23-Aug-11 15:22pm

thank you

walterhevedeich 23-Aug-11 22:05pm

+5

Solution 3

SQL

Dim strSelect As String = "SELECT * FROM Table1 WHERE city='" & ComboBox1.SelectedItem& "'"

Posted 23-Aug-11 9:03am

Herman<T>.Instance

Updated 23-Aug-11 9:05am

v2

Comments

l_d 23-Aug-11 15:20pm

thank you

walterhevedeich 23-Aug-11 22:05pm

+5

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Eugene Popov · Accepted Answer · 2011-08-23T09:03:00

Solution 2

I think select string should be something like this -

VB

Dim strSelect As String = "SELECT * FROM Table1 WHERE city='" & ComboBox1.SelectedItem() & "'"

Posted 23-Aug-11 9:03am

Eugene Popov

Comments

l_d 23-Aug-11 15:21pm

thank you

walterhevedeich 23-Aug-11 22:05pm

+5