我正在尝试在客户端获取选定的网格行KeyField值;
我曾经尝试过以下各种结果:
<ClientSideEvents RowClick="function(s, e) {var key= grid.GetSelectedKeysOnPage()[0];}" />
//This gives previous selected rows value everytime
Run Code Online (Sandbox Code Playgroud)
<ClientSideEvents RowClick="function(s, e) { grid.GetRowValues(grid.GetFocusedRowIndex(), 'MyKeyFieldName', OnGetRowValues); }" />
//This gives previous selected row and also gives an error: "A primary key field specified via the KeyFieldName property is not found in the underlying data source. Make sure.. blabla" But the MyKeyFieldName is true and i dont want to make a callback, i dont want to use this method!
Run Code Online (Sandbox Code Playgroud)
<ClientSideEvents RowClick="function(s, …Run Code Online (Sandbox Code Playgroud) 我有UIImage.FromFile()方法的路径问题.我的解决方案文件夹有3个项目,主UI项目中有一个Images文件夹.我将所有项目图像放在这个文件夹中,我有这样的代码:
UIImage myImg = UIImage.FromFile("Images/someImage.png");
Run Code Online (Sandbox Code Playgroud)
我将构建的图像属性设置为"内容"等.
你能帮助我吗:
我有一个可以为空的DateTime变量.我想把它写到SQL DB.当我尝试插入时:
如果变量有值,则没有问题.
但如果它没有值,则插入中断错误.
我想问:我们如何通过DbCommand参数将可空的DateTime插入Sql?
(PS:Sql列也可以为空.)
DateTime? myDate = null;
DbCommand dbCommand = new DbCommand();
dbCommand.Parameters.Add("NullableSqlDateField", DbType.DateTime, myDate);
Run Code Online (Sandbox Code Playgroud) asp.net ×1
aspxgridview ×1
c# ×1
client-side ×1
datetime ×1
dbcommand ×1
devexpress ×1
filepath ×1
image ×1
nsbundle ×1
nullable ×1
sql-server ×1
uiimage ×1
xamarin.ios ×1