protected void btnAdd_Click(object sender, EventArgs e) { if (txtTitle.Text.Trim().Equals("")) { ClientScript.RegisterStartupScript(GetType(), "err", "alert('请输入标题');", true); return; } JavaDLL dll = new JavaDLL(); if (dll.addMaterial(txtTitle.Text.Trim(), txtUrl.Text.Trim(), txtPassword.Text.Trim(), txtRemark.Text)) { ClientScript.RegisterStartupScript(GetType(), "err", "top.closeDialog()", true); } else { ClientScript.RegisterStartupScript(GetType(), "err", "alert('添加失败!');", true); } }