Web Forms :: Restrict Special Characters In TextBox
Dec 19, 2012I want to restrict special chars `!`~@#$%^&*()_+|-={]}[;:,.?/ without any alphabat in asp.net textbox.
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VB
If
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[Code]....
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[Code] ....
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Apr 27, 2016I am referring [URL] ....
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Is this ASCII or UTF-8? If it's one of those how do I correct it before it's written to the text file.
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objReader = New StreamWriter(filePath)
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Seconde question:
I put a GridView under my form to display the data entries from the access database to the user. This GridView has 3 Options in every Line at the beginning (Edit, Delete and Select) by default. OK, when i klick on Delete it comes the following error message (hand-translated from german into english ;-] )
"Deleting is not suppoorted from the datasource "AccessDataSource" unless the DeleteCommand is not specified.
[NotSupportedException: Das Löschen wird von der Datenquelle "AccessDataSource2" nicht unterstützt, sofern nicht DeleteCommand angegeben wurde.]
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDelete(IDictionary keys, IDictionary oldValues) +1648440
System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary oldValues, DataSourceViewOperationCallback callback) +89
System.Web.UI.WebControls.GridView.HandleDelete(GridViewRow row, Int32 rowIndex) +714
System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +869
System.Web.UI.WebControls.GridView.RaisePostBackEvent(String eventArgument) +207
System.Web.UI.WebControls.GridView.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
The equvivalent error message appears when I klick on the "Edit"-Button...
How do I have to specified the Delete and EditCommand?