Gridview Set To Null, But Reverts To Original Selection Upon Doing An Add?

Mar 6, 2010

I have a "Clear" button which sets the gridview datasource to null and binds it. However, when I add a new entry to it, the old rows seem to show up again (in addition to the new row)...not sure what I am doing wrong....

gv.DataSource = null;
gv.DataBind();

Shouldn't the above clear out the state of the gridview?

protected void btnAddFactor_Click(object sender, EventArgs e)
{
if (txtfactor.Text != "")

[code]...

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