Incorect syntex near insert statment

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I have multiple text box and a submit button

on click it take data in text box and insert them to database.

I'm checking if text is not "" then insert textbox.text else nothing here is code sample:

C#

Insert into tablename(col1, col2, col3) values( 

& if not textboxone.text="" 

,'textboxone.text'

else

''

.
.
.
)

Posted 4-May-12 11:52am

Member 8317792

Updated 4-May-12 19:32pm

Uday P.Singh

v2

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R. Giskard Reventlov 4-May-12 18:47pm

And your question is?

Member 8317792 4-May-12 18:59pm

it is giving incorrect syntex so how to insert null values if text was not in textbox?

R. Giskard Reventlov 4-May-12 19:12pm

Check the value first and then only carry on if it is valid. You should be validating your data.

thams 4-May-12 23:14pm

paste your coding with in code tags.
And which language u r using (vb/c#)?
Your concatenation is confusing...

Rahul Rajat Singh 5-May-12 1:31am

not clear please show the actual code for clarity

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OriginalGriff · Answer 1 · 2012-05-04T19:31:00

Use a parametrized query:

VB

Using con As New SqlConnection(strConnection)
	con.Open()
	Using cmd As New SqlCommand("INSERT INTO MyTable(Id, MyText) VALUES (@ID, @MT)", con)
		cmd.Parameters.AddWithValue("@ID", Id)
		cmd.Parameters.AddWithValue("@MT", If(myTextBox.Text = "", DirectCast(DBNull.Value, Object), DirectCast(myTextBox.Text, Object)))
		cmd.ExecuteNonQuery()
	End Using
End Using