private void DeleteDevData()
??{
???int deleteNum=0;
???//删除选中的某一行或多行记录，调用DataGrid的IsSelected（i）函数，如果函数返回结果为true，则表示该行被选中
???ArrayList arrList = new ArrayList();
???for(int i=0;i ???if (deleteNum !=0)
???{
????if (MessageBox.Show ("你确定要删除这些数据吗？", "删除数据",
?????MessageBoxButtons.YesNo, MessageBoxIcon.Question)== DialogResult.Yes)
????{
?????F_WR_Public.F_WR_Public f_WR_Public = new F_WR_Public.F_WR_Public();?????
?????F_WR_Public.VO_DevSpec[] arrVO_DevSpec_Delete = new F_WR_Public.VO_DevSpec[deleteNum]; ?????IEnumerator ienum = arrList.GetEnumerator();
?????int deleteIndex=0;
?????while(ienum.MoveNext())
?????{
??????arrVO_DevSpec_Delete[deleteIndex] = (F_WR_Public.VO_DevSpec)ienum.Current;
??????arrVO_DevSpec_Delete[deleteIndex].col=Int64.MaxValue;
??????arrVO_DevSpec_Delete[deleteIndex].devTypeID=Int64.MaxValue;
??????arrVO_DevSpec_Delete[deleteIndex].num=Int64.MaxValue;
??????arrVO_DevSpec_Delete[deleteIndex].row=Int64.MaxValue;
??????deleteIndex++;
?????} ?????f_WR_Public.removeDevSpec(arrVO_DevSpec_Delete);
?????MessageBox.Show ("删除成功！", "删除数据",MessageBoxButtons.OK, MessageBoxIcon.Information);
????}
????else
????{
?????return;
????}
???}
???else
???{
????MessageBox.Show ("未选中所要删除的数据！", "删除数据", MessageBoxButtons.OK, MessageBoxIcon.Warning);
???} ??} ? private void QueryDevSpec()
??{
???try
???{
????DevSpec.Clear();
????F_WR_Public.F_WR_Public f_WR_Public = new F_WR_Public.F_WR_Public(); ????F_WR_Public.VO_DevSpec vo_DevSpec = new F_WR_Public.VO_DevSpec();
????vo_DevSpec.col=Int64.MaxValue;
????vo_DevSpec.devSpecID=Int64.MaxValue;
????vo_DevSpec.devTypeID=Int64.Parse(cbo_DevType.SelectedValue.ToString());
????vo_DevSpec.num=Int64.MaxValue;
????vo_DevSpec.row=Int64.MaxValue; ????F_WR_Public.VO_DevSpec[] arrVO_DevSpec=f_WR_Public.queryDevSpec(vo_DevSpec); ????if(arrVO_DevSpec!=null)
????{
?????for(int i=0;i ??????DevSpec.Rows.Add(myRow);
?????}
?????DevSpec.AcceptChanges();
?????//设置dtg_BasicDataInfo的DataMember为DevSpec
?????dtg_BasicDataInfo.DataMember = DevSpec.ToString();
?????dtg_BasicDataInfo.DataSource=dataSet1;
?????DevTableStyle.MappingName="DevSpec";
?????rowCounts=arrVO_DevSpec.Length;
????}
????else
????{
?????rowCounts=0;
????}
????dtg_BasicDataInfo.ReadOnly = true;
???}
???catch(Exception ee)
???{
????
????MessageBox.Show (ee.ToString(), "Error",
?????MessageBoxButtons.OK, MessageBoxIcon.Information);
???}
??}
? ?private void SaveDevData()
??? {
???try
???{
????F_WR_Public.F_WR_Public f_WR_Public = new F_WR_Public.F_WR_Public(); ????//如果某行的状态为Added，则表示该行的数据是新增加的
????DataRow[] dataRowAdd = DevSpec.Select(null,null,DataViewRowState.Added);
????int mCount= dataRowAdd.Length;
????if (mCount != 0)
????{
?????F_WR_Public.VO_DevSpec[] arrVO_DevSpec_Add = new F_WR_Public.VO_DevSpec[mCount];
?????for(int i=0;i ??????vo_DevSpec.col=Int64.MaxValue;
??????vo_DevSpec.num=Int64.MaxValue;
??????vo_DevSpec.row=Int64.MaxValue; ??????vo_DevSpec.devTypeID =Int64.Parse(cbo_DevType.SelectedValue.ToString());
??????vo_DevSpec.specType=dataRowAdd[i][1].ToString();
??????vo_DevSpec.manufacturer=dataRowAdd[i][2].ToString();
??????vo_DevSpec.@long=dataRowAdd[i][3].ToString();
??????vo_DevSpec.width=dataRowAdd[i][4].ToString();
??????vo_DevSpec.high=dataRowAdd[i][5].ToString();
??????if(!dataRowAdd[i][6].ToString().Equals(""))
??????{
???????vo_DevSpec.num= Int64.Parse(dataRowAdd[i][6].ToString());
??????}
??????if(!dataRowAdd[i][7].ToString().Equals(""))
??????{
???????vo_DevSpec.row= Int64.Parse(dataRowAdd[i][7].ToString());
??????}
??????if(!dataRowAdd[i][8].ToString().Equals(""))
??????{
???????vo_DevSpec.col= Int64.Parse(dataRowAdd[i][8].ToString());
??????}
??????vo_DevSpec.disposeType=dataRowAdd[i][9].ToString();
??????vo_DevSpec.devSpecID=Int64.MaxValue;
????????
????????
??????arrVO_DevSpec_Add[i] = vo_DevSpec;
?????}
?????f_WR_Public.addDevSpec(arrVO_DevSpec_Add);
?????MessageBox.Show ("增加成功！", "增加数据",MessageBoxButtons.OK, MessageBoxIcon.Information);
????} ????//如果某行的状态为ModifiedCurrent，则表示该行的数据被修改过
????DataRow[] dataRowModify = DevSpec.Select(null,null,DataViewRowState.ModifiedCurrent);
????int intDataRowModify = dataRowModify.Length;
????if (intDataRowModify != 0)
????{
?????F_WR_Public.VO_DevSpec[] arrVO_DevSpec_Modify = new F_WR_Public.VO_DevSpec[intDataRowModify];
?????for(int i=0;i ??????vo_DevSpec.specType=dataRowModify[i][1].ToString();
??????vo_DevSpec.manufacturer=dataRowModify[i][2].ToString();
??????vo_DevSpec.@long=dataRowModify[i][3].ToString();
??????vo_DevSpec.width=dataRowModify[i][4].ToString();
??????vo_DevSpec.high=dataRowModify[i][5].ToString();
??????if(!dataRowModify[i][6].ToString().Equals(""))
??????{
???????vo_DevSpec.num= Int64.Parse(dataRowModify[i][6].ToString());
??????}
??????if(!dataRowModify[i][7].ToString().Equals(""))
??????{
???????vo_DevSpec.row= Int64.Parse(dataRowModify[i][7].ToString());
??????}
??????if(!dataRowModify[i][8].ToString().Equals(""))
??????{
???????vo_DevSpec.col= Int64.Parse(dataRowModify[i][8].ToString());
??????}
??????vo_DevSpec.disposeType=dataRowModify[i][9].ToString(); ??????arrVO_DevSpec_Modify[i] = vo_DevSpec;
?????}
???????
?????f_WR_Public.modifyDevSpec(arrVO_DevSpec_Modify);
?????MessageBox.Show ("保存成功！", "保存数据",MessageBoxButtons.OK, MessageBoxIcon.Information);
????}
????DevSpec.AcceptChanges();
???}
???catch(Exception ee)
???{
????MessageBox.Show (ee.ToString(), "Error",MessageBoxButtons.OK, MessageBoxIcon.Information);
???}
??? } ? ? private void QueryIfSaveDevData()
??{
???/*该函数查询Dev表中是否有未保存的数据，如果有，则询问是否保存，
??? * 如果用户回答需要保存，则调用SaveDevData过程保存数据,如果回答否，
??? * 则调用查询过程QueryDevSpec刷新页面*/
???DataRow[] dataRowAdd1 = DevSpec.Select(null,null,DataViewRowState.Added);
???int mAddCount1= dataRowAdd1.Length;
???DataRow[] dataRowModify1 = DevSpec.Select(null,null,DataViewRowState.ModifiedCurrent);
???int mModifyCount1=dataRowModify1.Length;
???if (mAddCount1!=0 || mModifyCount1 !=0)
???{
????if (MessageBox.Show ("有编辑过的数据未保存，需要保存吗？", "提示",
?????MessageBoxButtons.YesNo, MessageBoxIcon.Question)== DialogResult.Yes)
?????SaveDevData();
????else
?????QueryDevSpec();
???}
??}
c#中DataGrid的数据新增编辑删除操作代码[转][共享]
