havaing report with Stimulreport

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C#

I hava used stimulReport in my program.
I have five comboBoxes and one button in the form. the report button should shows the report according the selected items of ComboBoxs. but it shows all the data in the table.I can underestand what is wrong with the codes???
please help me.

these are the codes:

private void btnReport_Click(object sender, EventArgs e)
 {
    dset.Clear();
    SqlCommand cmd = new SqlCommand();
    cmd.CommandType = CommandType.Text;
    cmd.Connection = cnn;

    cmd.CommandText = "SELECT SerialId,GoodsName,GoodsType,Amval,Radeh,Condition,city,PlaceKeeping FROM tblRegister WHERE city like'" + txtShahrestan.Text.Trim() + "'  AND Radeh like'" + txtRade.Text.Trim() + "' AND GoodsName like'" + txtGoodsName.Text.Trim() + "' AND GoodsType like'" + txtGoodsType.Text.Trim() + "' AND Condition like'" + txtCondition.Text.Trim() + "'  ";


    SqlDataAdapter adpter = new SqlDataAdapter();
    adpter.SelectCommand = cmd;
    adpter.Fill(dset, "tblRegister");
    stiReport1.RegData(dset);
    stiViewerControl1.Report = stiReport1;
    stiReport1.Show();
}