private void btnEdit_Click(object sender, EventArgs e) { if (txtFusemax.Text == "" || txtImp.Text == "" || txtIsc.Text == "" || txtLowerPower.Text == "" || txtModuleApp.Text == "" || txtPmax.Text == "" || txtUpperPower.Text == "" || txtVmp.Text == "" || txtVoc.Text == "" || txtVolmax.Text == "" ) { MessageBox.Show("请先输入参数!"); return; } DataList list = new DataList(); list.Upperrpower = txtUpperPower.Text; list.Lowerpower = txtLowerPower.Text; list.Imp = txtImp.Text; list.Isc = txtIsc.Text; list.ModuleApp = txtModuleApp.Text; list.Pmax = txtPmax.Text; list.Vmp = txtVmp.Text; list.Voc = txtVoc.Text; list.Volmax = txtVolmax.Text; list.Fusemax = txtFusemax.Text; if (crud.Exist(list) == "success") { MessageBox.Show("该范围已经存在,请重新输入!"); return; } if (crud.Update(list) == "success") { MessageBox.Show("更新成功!"); } }