hey coloco unda GridView1 conectado a una base en sql y me da este error me pueden ayudar
Server Error in '/mantenimiento' Application.
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) +1308959
System.Web.UI.WebControls.SqlDataSource.GetDbProvi derFactory() +67
System.Web.UI.WebControls.SqlDataSource.GetDbProvi derFactorySecure() +22
System.Web.UI.WebControls.SqlDataSource.CreateConn ection(String connectionString) +11
System.Web.UI.WebControls.SqlDataSourceView.Execut eSelect(DataSourceSelectArguments arguments) +89
System.Web.UI.DataSourceView.Select(DataSourceSele ctArguments arguments, DataSourceViewSelectCallback callback) +19
System.Web.UI.WebControls.DataBoundControl.Perform Select() +142
System.Web.UI.WebControls.BaseDataBoundControl.Dat aBind() +73
System.Web.UI.WebControls.GridView.DataBind() +4
System.Web.UI.WebControls.BaseDataBoundControl.Ens ureDataBound() +82
System.Web.UI.WebControls.CompositeDataBoundContro l.CreateChildControls() +72
System.Web.UI.Control.EnsureChildControls() +87
System.Web.UI.Control.PreRenderRecursiveInternal() +44
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842
Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053