数据源

本文介绍了数据源的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我将一个表(由数据源配置向导"添加的表)拖放到
如您所知，Visual Studio会创建TableAdapter，DataSet，..并自动添加一些代码.
但是当我删除一行并要保存时会出现错误:
<<更新要求=" a ="有效=" deletecommand ="当="传递=" datarow =" collection ="与="删除="行.=" >>

I drag and drop a Table (which I added by "Data Source Conﬁguration Wizard" ) on the
form .as you know visual studio create TableAdapter,DataSet ,..and adds some code automatically .
but when I delete a row and want to save it gives error :
<<update requires="" a="" valid="" deletecommand="" when="" passed="" datarow="" collection="" with="" deleted="" rows.="">>

private void nameBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.nameBindingSource.EndEdit();
            this.tableAdapterManager.UpdateAll(this.dtDataSet);//Error occurs here

        }

and

问题描述

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