hello,
i am using this snippet and it gives error when i click on upload button
please advice
Server Error in '/' Application.
The ConnectionString property has not been initialized.
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.InvalidOperationException: The ConnectionString property has not been initialized.
Source Error:
Line 50:
Line 51: //Get the name of First Sheet
Line 52: connExcel.Open();
Line 53: DataTable dtExcelSchema;
Line 54: dtExcelSchema = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
Source File: c:\Users\Imtiaz\Downloads\ReadExcelToGrid\ReadExcelToGrid\CS.aspx.cs Line: 52
