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c# Programming Glossary: cmd.executescalarWhat is the proper way to ensure a SQL connection is closed when an exception is thrown? http://stackoverflow.com/questions/141204/what-is-the-proper-way-to-ensure-a-sql-connection-is-closed-when-an-exception-is _SqlConnection.Open countOfSomething Convert.ToInt32 cmd.ExecuteScalar finally is this the best way if _SqlConnection.State ConnectionState.Closed..
Retrieve image from database in asp.net http://stackoverflow.com/questions/14935205/retrieve-image-from-database-in-asp-net @ID empno connection.Open object img cmd.ExecuteScalar try return new MemoryStream byte img catch return null finally..
OleDbException System Resources Exceeded http://stackoverflow.com/questions/155959/oledbexception-system-resources-exceeded
How can I determine whether a column exists in a SQL Server CE table with C#? http://stackoverflow.com/questions/15693639/how-can-i-determine-whether-a-column-exists-in-a-sql-server-ce-table-with-c cmd.CommandText tblQuery object objvalid cmd.ExecuteScalar retVal null objvalid catch retVal false return retVal ...but.. cmd.CommandText tblQuery object objvalid cmd.ExecuteScalar retVal Convert.ToBoolean objvalid catch retVal false return.. tableName cmd.Parameters.Add colNameParam int i int cmd.ExecuteScalar retVal i 0 ...so I don't know which way is preferable this does..
How to create “embedded” SQL 2008 database file if it doesn't exist? http://stackoverflow.com/questions/1715691/how-to-create-embedded-sql-2008-database-file-if-it-doesnt-exist @DBName this.DBName exists Convert.ToInt32 cmd.ExecuteScalar 1 finally this.DBConnection.Close return exists Create a..
How to display binary images into a gridview in ASP.NET using C#? http://stackoverflow.com/questions/19132451/how-to-display-binary-images-into-a-gridview-in-asp-net-using-c @ID my_Id connection.Open object img cmd.ExecuteScalar return new MemoryStream byte img share improve this answer..
Can't get sql server compact 3.5 / 4 to work with ASP .NET MVC 2 http://stackoverflow.com/questions/3223359/cant-get-sql-server-compact-3-5-4-to-work-with-asp-net-mvc-2 Name FROM Categories conn string valueFromDb string cmd.ExecuteScalar Response.Write string.Format 0 Time 1 valueFromDb DateTime.Now.ToLongTimeString..
http://stackoverflow.com/questions/464474/check-if-a-sql-table-exists cmd new OdbcCommand sqlStatement myOdbcConnection cmd.ExecuteScalar exists true catch exists false Is there a better way to do.. table_name ' tableName ' then 1 else 0 end exists int cmd.ExecuteScalar 1 catch try Other RDBMS. Graceful degradation exists true var..
How to use executeReader() method to retrieve the value of just one cell http://stackoverflow.com/questions/5794529/how-to-use-executereader-method-to-retrieve-the-value-of-just-one-cell cmd new SqlCommand sql conn learerLabel.Text String cmd.ExecuteScalar Here is more information about Connecting to database and managing..
SCOPE_IDENTITY() always returning 0 http://stackoverflow.com/questions/8633821/scope-identity-always-returning-0 DbType.Int32 cmd.Parameters.Add param execute int id cmd.ExecuteScalar .ToInt return id if cn.State ConnectionState.Open cn.Close catch..
How to create sql connection with c# code behind, access the sql server then conditionally redirect? http://stackoverflow.com/questions/9806166/how-to-create-sql-connection-with-c-sharp-code-behind-access-the-sql-server-the cmd new SqlCommand sql conn object result object cmd.ExecuteScalar return result with this you can retrieve an entire table or.. cmd.Connection.Open object obj new object obj cmd.ExecuteScalar return obj Okay this only a class and now you should know..
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