//数据上传 private void button_dataUpload_Click(object sender, EventArgs e) { if (!CValidateTools.isOcxReg("")) { CValidateTools.ocxReg(); } FormUploadFile f1 = (FormUploadFile)checkFormsIsOpen("FormUploadFile"); if (f1 == null) { FormUploadFile us = new FormUploadFile(this.Left, this.Top); us.Show(); } else { f1.Activate(); } }