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How to pass parameter from tbx to tableadapter and return result to different tbx

Posted on 2008-10-22
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Last Modified: 2013-11-07
Hello,

I have a tableadapter with a query that returns a list of customers using an account number as the parameter. What i need is to take a string entered into a textbox (tbxAccountNum) and pass that to the adapter (customersTableAdapter) when an imgbtn gets clicked. The result, I then need to populate into another textbox (tbxCompanyName).

Here is the query from my tableadapter (FillByAccountNum, GetCustomersByAccountNum)
SELECT account_num, company_name, customer_id FROM dbo.customers WHERE (account_num = @account_num)

I am using C#.

Please let me know if any additional information is required.
Thanks!
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Question by:austerhaus
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7 Comments
 
LVL 96

Expert Comment

by:Bob Learned
ID: 22785615
Are you calling a method on the TableAdapter where you need to pass a parameter?

int accountNumber = int.Parse(this.AccountNumber.Text);
adapter.FillByAccountNum(accountNumber);
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LVL 1

Author Comment

by:austerhaus
ID: 22790501
Here is what I have:

protected void imgbtnSearch_Click(object sender, ImageClickEventArgs e)
    {
        string accountNum = tbxAccountNum.Text;
        customersTableAdapter customersAdapter = new customersTableAdapter();
        customersAdapter.GetCustomersByAccountNum(accountNum);
    }

I had to change "int" to "string" and FillByAccountNum gives the error: No overload for method 'FillByAccountNum' takes '1' arguments. Is what I have thus far correct?

If so: How do I assign the value returned to tbxCustomerName?
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LVL 96

Expert Comment

by:Bob Learned
ID: 22790577
The Intellisense should give you an understanding of what you need to do.  GetCustomersByAccountNum is a function with a return, that you are ignoring in this case.  You need to look and see what the return type is and assign the return value to the TextBox.
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LVL 1

Author Comment

by:austerhaus
ID: 22831881
Thanks but intellisense is of little help. What is the "vanilla" way to pass a parameter to a datatable, obtain the response and assign that value to a textbox?
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LVL 96

Accepted Solution

by:
Bob Learned earned 2000 total points
ID: 22832442
If you can't see how Intellisense is useful here, then you need to see how to use it:


DataAdapter-Intellisense.png
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