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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.tableAdapterManager.UpdateAll(this.dtDataSet);//Error occurs here 


It's quite obvious, you haven't supplied a delete command. The wizards will get you started but there are still some things you must do.
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well , what should I do then ?!!!!!:confused:
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1 - don't push 'answer' unless you have an answer to post
2 - supply a delete command
2a read the documentation if you need to
2b if you want to write decent code, don't use this drivel, write a proper data layer
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