このエラーは何が(私は私のプロジェクトをテストするときに来る).NET Frameworkデータプロバイダーエラー
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Unable to find the requested .Net Framework Data Provider. It may not be installed.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed.]
System.Data.Common.DbProviderFactories.GetFactory(String providerInvariantName) +1402071
System.Web.UI.WebControls.SqlDataSource.GetDbProviderFactory() +67
System.Web.UI.WebControls.SqlDataSource.GetDbProviderFactorySecure() +22
System.Web.UI.WebControls.SqlDataSource.CreateConnection(String connectionString) +11
System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +117
System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +21
System.Web.UI.WebControls.DataBoundControl.PerformSelect() +143
System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +74
System.Web.UI.WebControls.GridView.DataBind() +4
System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +66
System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +75
System.Web.UI.Control.EnsureChildControls() +102
System.Web.UI.Control.PreRenderRecursiveInternal() +42
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Control.PreRenderRecursiveInternal() +175
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2496
これはおそらく正しい構成情報を設定する必要が設定
<configuration>
<connectionStrings>
<add name="ConnectionString" connectionString="DataSource=C:\ProgramFiles\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA\CIEDB.sdf;Password=sa;Persist Security Info=True"
providerName="Microsoft.SqlServerCe.Client.3.5" />
<add name="ConnectionString2" connectionString="Data Source=C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Samples\Northwind.sdf"
providerName="Microsoft.SqlServerCe.Client.3.5" />
</connectionStrings>
<system.web>
<compilation debug="true" targetFramework="4.0"/>
</system.web>
</configuration>
uが、それは完全に私は、Northwindサンプルデータベースがうまく働いた走ったが、今、このエラーに実行していた前 – mAs
が、これらは私のweb.configコード – mAs
ウル支援に感謝しますが、いくつかの時間です私を助けてくださいすることができます – mAs