1,使用DataTable.Rows.Remove(DataRow),或者DataTable.Rows.RemoveAt(index);可以直接删除行 2,datatable.Rows[i].Delete()。Delete()之后需要datatable.AccepteChanges()方法确认完全删除,因为Delete()只是将相应列的状态标志为删除,还可以通过datatable.RejectChanges()回滚,使该行取消删除。 只是delete掉的效果如下...
protected void ds_Selected(object sender, ObjectDataSourceStatusEventArgs e) { DataTable dt = (DataTable)e.ReturnValue; for (int j = 0; j < dt.Rows.Count; j++) { DataRow r = dt.Rows[j]; if (r["SomeField"] == specialCondition) { dt.Rows.Remove(r); } } } You have to add...
1DataRow dr = categoryTable.Rows.Find(213213); 2dr.Delete(); 3dataAdpater.Update(categoryTable); 查询MSDN解释如下: DataTable.Rows.Remove(row) :CallingRemoveis the same as callingDeleteand then callingAcceptChanges. DataTable.Rows[i].Delete():A deleted row can be undeleted by invokingRejectCh...
经过调试发现问题所在了:foreach里进行循环row.delete()的时候,行的状态必须是Unchanged,才可以的,新增加的行里的状态是Added,然后抛出了刚才说的异常。 所以要使用DataTable的AcceptChanges()方法把新增加的行的状态置为Unchanged以确认在DataTable里的更改。然后在循环删除的行的时候Row.elete(),这些行的状态就被置...
Add a html content to word document in C# (row.Cells[1].Range.Text) Add a trailing back slash if one doesn't exist. Add a user to local admin group from c# Add and listen to event from static class add characters to String add column value to specific row in datatable Add comments...
netstandard.dll, System.Data.Common.dll Source: DataRowCollection.cs Removes the specifiedDataRowfrom the collection. C# publicvoidRemove(System.Data.DataRow row); Parameters row DataRow TheDataRowto remove. Examples The following example uses theRemovemethod to delete a found row in aDataRowColl...
your i is increasing at the same time that Rows.Count is decreasing. This method will always leave at least one row. Use dataGridView1.Rows.Clear() instead. Or even better, clear the rows from the DataSource that the DataGridView is bound to, if any (e.g. my...
row 类型:Microsoft.VisualStudio.Coverage.Analysis.CoverageDSPriv.LinesRow CoverageDSPriv.LinesRow 对象。 .NET Framework 安全性 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息,请参见通过部分受信任的代码使用库。 请参见 参考 CoverageDSPriv.LinesDataTable 类 Microsoft.VisualStudio....
从DriverDepartmentsDataTable中删除指定的DriverDepartmentsRow对象。 命名空间:WebSvcDriver 程序集:ProjectServerServices(位于 ProjectServerServices.dll 中) 语法 C# publicvoidRemoveDriverDepartmentsRow(DriverDataSet.DriverDepartmentsRow row) 参数 row 类型:WebSvcDriver.DriverDataSet.DriverDepartmentsRow ...
row 类型:Microsoft.VisualStudio.Coverage.Analysis.CoverageDSPriv.LinesRow CoverageDSPriv.LinesRow 对象。 .NET Framework 安全性 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息,请参见通过部分受信任的代码使用库。 请参见 参考 CoverageDSPriv.LinesDataTable 类 Microsoft.VisualStudio....