PivotGridView

If i choose value in top dropdown's and click submit button. it displays result in top pivot grid as well as in bottom pivot grid. and also if i choose value in down dropdown's it make affect in topper grid. did anybody say why it happening???

private void Submit_Click(object sender, EventArgs e)
        {
            pivotGridControl1.DataSource = usp_GetAllReceiptDetailsfromDateTableAdapter.Fill(statistics.usp_GetAllReceiptDetailsfromDate, ConstStrings.CompanyID, Convert.ToInt32(ddlBranch.EditValue), Convert.ToDateTime(dtpFromDate.EditValue), Convert.ToDateTime(dtpToDate.EditValue));
        }

        private void button1_Click(object sender, EventArgs e)
        {
            pivotGridControl2.DataSource = usp_GetAllReceiptDetailsfromDateTableAdapter.Fill(statistics.usp_GetAllReceiptDetailsfromDate, ConstStrings.CompanyID, Convert.ToInt32(ddlbranch1.EditValue), Convert.ToDateTime(dtpfromdate1.EditValue), Convert.ToDateTime(dtptodate1.EditValue));
        }

i make changes in C# coding also.

So please anyone give me an idea. Thanks in advance

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.NET