[英]Get the Value of WPF Listview rows and compare them with database field using Linq query
我想將數據庫中的ECH_INTITULE與listview行的值進行比較,但是我的問題是我無法訪問Linq查詢中的Listview項目
這是我的Listview的Xaml代碼:
<ListView x:Name="listView" SelectedItem="{Binding SelectedItem}" ItemsSource="{Binding}" DataContext="query" HorizontalAlignment="Left" Height="430" Margin="24,47,0,0" VerticalAlignment="Top" Width="940" >
<ListView.View>
<GridView x:Name="gridView">
<GridViewColumn Header="Fournisseur" DisplayMemberBinding="{Binding fournisseur}" Width="280"/>
<GridViewColumn Header ="Adresse Mail" DisplayMemberBinding="{Binding email}" Width="270"/>
<GridViewColumn Header ="Date" DisplayMemberBinding="{Binding date}" Width="150"/>
<GridViewColumn Header="Fichier CSV" DisplayMemberBinding="{Binding xxx}" Width="105"/>
<GridViewColumn Header="Fichier PDF" DisplayMemberBinding="{Binding xxx}" Width="105"/>
</GridView>
</ListView.View>
</ListView>
這是我的C#代碼:
//Generate CSV Files for each item in the Listview
CsvFileDescription outpCsvFileDescription = new CsvFileDescription
{
SeparatorChar = ',',
FirstLineHasColumnNames = true
};
for (int i = 0; i < listView.Items.Count; i++)
{
var infoEcheances = from f in db.F_ECHEANCES
//where f.ECH_Intitule == ???
select new { f.ECH_Intitule, f.ECH_DateEch, f.CG_Num, f.ECH_Piece, f.ECH_RefPiece, f.ECH_Montant, f.ECH_Libelle };
CsvContext cc = new CsvContext();
string myPath = @"C:\Users\DefaultAccount\Desktop\Projet Top Of Travel\FichiersCSV\";
string filename = string.Format("Facture{0}.csv", i);
string finalPath = System.IO.Path.Combine(myPath, filename);
cc.Write(infoEcheances, finalPath, outpCsvFileDescription);
}
您不能像這樣直接比較行。 請嘗試以下代碼。
//Generate CSV Files for each item in the Listview
CsvFileDescription outpCsvFileDescription = new CsvFileDescription
{
SeparatorChar = ',',
FirstLineHasColumnNames = true
};
for (int i = 0; i < listView.Items.Count; i++)
{
var infoEcheances = from f in db.F_ECHEANCES
where f.ECH_Intitule == listView.Items[i].f.ECH_Intitule
select new { f.ECH_Intitule, f.ECH_DateEch, f.CG_Num, f.ECH_Piece, f.ECH_RefPiece, f.ECH_Montant, f.ECH_Libelle };
CsvContext cc = new CsvContext();
string myPath = @"C:\Users\DefaultAccount\Desktop\Projet Top Of Travel\FichiersCSV\";
string filename = string.Format("Facture{0}.csv", i);
string finalPath = System.IO.Path.Combine(myPath, filename);
cc.Write(infoEcheances, finalPath, outpCsvFileDescription);
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.