Gets or sets the name of the method to call in order to delete data.
Syntax
Visual Basic (Declaration) | |
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Public Property DeleteMethod As String |
Visual Basic (Usage) | Copy Code |
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Dim instance As SheetView
Dim value As String
instance.DeleteMethod = value
value = instance.DeleteMethod |
C# | |
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public string DeleteMethod {get; set;} |
Example
This code is part of a larger example installed by the setup.
C# | Copy Code |
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<FarPoint:SheetView SheetName="Sheet1" SelectMethod="GetUsers" DeleteMethod="DeleteUser"
InsertMethod="InsertUser" UpdateMethod="UpdateUser" AllowDelete="true" AllowInsert="true">
</FarPoint:SheetView>
public partial class FR1917 : System.Web.UI.Page
{
SampleDataModel db = new SampleDataModel("ConnectionString");
public System.Data.Entity.DbSet<User> GetUsers() { return db.Users; }
public void UpdateUser(string userName, string fullName, string description, string phone)
{
if (!this.Page.ModelState.IsValid) return;
FpSpread1.Sheets[2].Cells[0, 0].Text += userName;
FpSpread1.Sheets[2].Cells[0, 1].Text += fullName;
FpSpread1.Sheets[2].Cells[0, 2].Text += description;
User found = db.Users.FirstOrDefault(u => u.UserName == userName);
if (found != null)
{
found.FullName = fullName;
found.Description = description;
found.Phone = phone;
}
db.SaveChanges();
}
public void InsertUser(string userName, string fullName, string description)//We can even ignore Phone parameter
{
if (!this.Page.ModelState.IsValid) return;
User found = db.Users.FirstOrDefault(u => u.UserName == userName);
if (found != null)
throw new Exception("This user name has already been used. Please choose another name.");
User user = new User
{
UserName = userName,
FullName = fullName,
Description = description
};
db.Users.Add(user);
db.SaveChanges();
}
public void DeleteUser(string userName)//Other properties are not important
{
User found = db.Users.FirstOrDefault(u => u.UserName == userName);
if (found != null) db.Users.Remove(found);
db.SaveChanges();
}
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack) return;
FpSpread1.ActiveSheetView.PageSize = 100;
FpSpread1.ActiveSheetView.EnableRowEditTemplate = true;
if (FpSpread1.ActiveSheetView.ColumnCount > 2)
{
FpSpread1.ActiveSheetView.Columns[1].Width = 150;
FpSpread1.ActiveSheetView.Columns[2].Width = 200;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
FpSpread1.Sheets[0].Reset();
}
} |
VB.NET | Copy Code |
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<FarPoint:SheetView SheetName="Sheet1" SelectMethod="GetUsers" DeleteMethod="DeleteUser"
InsertMethod="InsertUser" UpdateMethod="UpdateUser" AllowDelete="true" AllowInsert="true">
</FarPoint:SheetView>
Public Partial Class FR1917
Inherits System.Web.UI.Page
Private db As New SampleDataModel("ConnectionString")
Public Function GetUsers() As System.Data.Entity.DbSet(Of User)
Return db.Users
End Function
Public Sub UpdateUser(userName As String, fullName As String, description As String, phone As String)
If Not Me.Page.ModelState.IsValid Then
Return
End If
FpSpread1.Sheets(2).Cells(0, 0).Text += userName
FpSpread1.Sheets(2).Cells(0, 1).Text += fullName
FpSpread1.Sheets(2).Cells(0, 2).Text += description
Dim found As User = db.Users.FirstOrDefault(Function(u) u.UserName = userName)
If found IsNot Nothing Then
found.FullName = fullName
found.Description = description
found.Phone = phone
End If
db.SaveChanges()
End Sub
Public Sub InsertUser(userName As String, fullName As String, description As String)
'We can even ignore Phone parameter
If Not Me.Page.ModelState.IsValid Then
Return
End If
Dim found As User = db.Users.FirstOrDefault(Function(u) u.UserName = userName)
If found IsNot Nothing Then
Throw New Exception("This user name has already been used. Please choose another name.")
End If
Dim user As New User() With { _
.UserName = userName, _
.FullName = fullName, _
.Description = description _
}
db.Users.Add(user)
db.SaveChanges()
End Sub
Public Sub DeleteUser(userName As String)
'Other properties are not important
Dim found As User = db.Users.FirstOrDefault(Function(u) u.UserName = userName)
If found IsNot Nothing Then
db.Users.Remove(found)
End If
db.SaveChanges()
End Sub
Protected Sub Page_Load(sender As Object, e As EventArgs)
If IsPostBack Then
Return
End If
FpSpread1.ActiveSheetView.PageSize = 100
FpSpread1.ActiveSheetView.EnableRowEditTemplate = True
If FpSpread1.ActiveSheetView.ColumnCount > 2 Then
FpSpread1.ActiveSheetView.Columns(1).Width = 150
FpSpread1.ActiveSheetView.Columns(2).Width = 200
End If
End Sub
Protected Sub Button1_Click(sender As Object, e As EventArgs)
FpSpread1.Sheets(0).Reset()
End Sub
End Class |
Requirements
Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6
See Also