error sql dataadapter parameter not supplied

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Hello,
I get this error while I am trying to execute a parameter from a custom select statment.
In a button click

VB

Me.SqlDataAdapter1.SelectCommand.CommandText = SELECT * FROM Table_1 WHERE surname LIKE +'%'+@sur+'%'
              Me.SqlDataAdapter1.SelectCommand.Parameters(0).Value = TextBox1.Text

And I get this error when I am trying to fill the dataadapter, it works only when I insert a predefined value in the dataadapter designer (I didn't create the adapter through code.

Thank you
Kyriakos

Posted 10-Mar-11 23:38pm

Member 3892343

Updated 10-Mar-11 23:53pm

Sandeep Mewara

v2

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strogg · Answer 1 · 2011-03-10T23:44:00

Do not include parameters between strings. Include the % op within the param.

Me.SqlDataAdapter1.SelectCommand.CommandText = "SELECT * FROM Table_1 WHERE surname LIKE @sur"

Me.SqlDataAdapter1.SelectCommand.Parameters(0).Value = "%" & TextBox1.Text & "%"

--Edit--
If an error occurs, you may not have added the parameter. Try adding the parameter

SQL

Me.SqlDataAdapter1.SelectCommand.Parameters.AddWithValue("@sur", TextBox1.Text)

Member 3892343 · Answer 2 · 2011-04-14T20:57:00

Solution 2

Had to convert to string was an int32.

Posted 14-Apr-11 20:57pm