1
我有一個由SQL服務器填充的數據網格。我試圖從條目列表中選擇一行並將它們輸入到網格外的文本框中。我似乎無法找到一種方法將查詢結果轉換爲可管理的數據,而不是填充網格。將SQL查詢結果傳遞到多個文本框中
C#
MoviesEntities dataEntities = new MoviesEntities();
ObjectQuery<MovieTable> _movies = dataEntities.MovieTables;
var query =
from MovieTable in _movies
where MovieTable.Title == MMEM.MovieTitle
select MovieTable.id;
string result = Convert.ToString(query); //or something??
XAML:
<Window x:Class="MovieApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow"
Height="650"
Width="525"
ResizeMode="NoResize"
WindowStartupLocation="CenterScreen"
xmlns:vm="clr-namespace:MovieApp">
<Window.Resources>
<vm:MovieAppViewModel x:Key="MovieAppViewModel"/>
</Window.Resources>
<StackPanel x:Name="RootStackPanel" DataContext="{StaticResource MovieAppViewModel}">
<Grid HorizontalAlignment="Center" Height="99" Width="440">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TextBlock Grid.Column="0" Text="Movie Title" Margin="30 0 30 0" HorizontalAlignment="Center" FontWeight="Heavy"/>
<TextBlock Grid.Column="1" Text="Rating" Margin="30 0 30 0" HorizontalAlignment="Center" FontWeight="Heavy"/>
<TextBlock Grid.Column="2" Text="Stars" Margin="30 0 30 0" HorizontalAlignment="Center" FontWeight="Heavy"/>
<TextBlock Grid.Column="3" Text="Release Year" Margin="30 0 30 0" HorizontalAlignment="Center" FontWeight="Heavy"/>
<TextBox Grid.Column="0" TextAlignment="Center" Text="{Binding MMEM.MovieTitle}" IsEnabled="{Binding MMEM.IsEditable}" Grid.Row="1" MaxLength="50" Width="100"/>
<TextBox Grid.Column="1" TextAlignment="Center" Text="{Binding MMEM.Rating}" IsEnabled="{Binding MMEM.IsEditable}" Grid.Row="1" MaxLength="5" Width="55"/>
<TextBox Grid.Column="2" TextAlignment="Center" Text="{Binding MMEM.Stars}" IsEnabled="{Binding MMEM.IsEditable}" Grid.Row="1" MaxLength="5" Width="20"/>
<TextBox Grid.Column="3" TextAlignment="Center" Text="{Binding MMEM.ReleaseYear}" IsEnabled="{Binding MMEM.IsEditable}" Grid.Row="1" MaxLength="20" Width="100"/>
</Grid>
<Button Content="Edit Mode" Command="{Binding ToggleCommand}"/>
<DataGrid
Width="Auto"
SelectionMode="Extended"
IsReadOnly="True"
AutoGenerateColumns="False"
ItemsSource="{Binding MMLM.MoviesList}"
DataContext="{StaticResource MovieAppViewModel}">
<DataGrid.Columns>
<DataGridTextColumn Width="200" Header="Title" Binding="{Binding Title}"/>
<DataGridTextColumn Width="100" Header="Rating" Binding="{Binding Rating}"/>
<DataGridTextColumn Width="100" Header="Stars" Binding="{Binding Stars}"/>
<DataGridTextColumn Width="93" Header="Release Year" Binding="{Binding ReleaseYear}"/>
</DataGrid.Columns>
</DataGrid>
</StackPanel>
我假設有比解析行成字符串和填充的文本框更有效的方式下,但在這一點我會拿我能得到的!
感謝您的任何輸入!
安置自己的XAML - 無論是電網和文本框代碼。你應該能夠將你的網格綁定到數據源並讓它自動填充(半)。 – ChrisF 2012-02-24 21:18:22
網格自動填充,但我想從選定的行中獲取數據到上面的文本框中。不知道這是你的意思,但是我已經有了這部分。感謝您的輸入 – Josh 2012-02-24 21:22:03
您應該能夠從網格中獲取選定的行(我使用Silverlight,因此我無法加速WPF的確切語法),它將爲您提供一個對象 - MovieEntity?在這種情況下。 – ChrisF 2012-02-24 21:24:15