Returns a list of all the columns in the DataTable in SQL format which can be used in a SELECT command etc. public static string BuildAllFieldsSQL ( DataTable table ).The file GenerateSQL.cs contains the code for a static class GenerateSQL, which has the following functions: Note that this has only been developed for simple functions, but the basics are generally applicable for other applications. I actually developed these functions because I needed to INSERT rows into a database and get the value of the Identity column on the fly as I tab through a DataGridView adding new rows. The code presented here does this by using functions in the Designer code to generate such strings. You would also like these lists to be automatically updated whenever a change is made to the database. Sometimes, however, you need additional SQL commands that contain a complete list of all the fields in the DataSet. Other commands can be added by going into the DataSet Designer and adding commands via the Add SQL Wizard. When you use TableAdapters in C#, VS generates INSERT, SELECT, and UPDATE etc. Download demo project and source - 25.4 KB.(free for 60 days) The Excel-to-Database utility enables you to validate and transfer data from Microsoft Excel or text file to a database table or stored procedure process. Any text data can be pasted into the application, this may be from another Excel sheet or from text files such as CSV format. SQL Server, Access, MySQL, FoxPro. You may like to take advantage of this unique tool 'Excel to Database'. Output (if only First _Name (A1) is set): " WHERE name = 'staticordynamicvalue' AND gender = 'staticordynamicvalue' (This is why the '$' exist for the column headers that are being set) The statement can be applied to multiple rows in excel for the same column headers (or not be overwritten with NULL values with the new generated statement) You want the columns which are not updated to keep the same value Generate update statement in excel where the columns that can be updated are dynamic Using vlookup() or countif() to cross-reference items on one table to another.Cleaning up data using countif(), sumif(), if() formulas.There are a few practical ways to improve this: ="insert into customers values('" &B3 &"','" & C3 & "','"&D3&"') " where B3, C3, D3 refer to above table data. For the above tabular structure, the concatenate formula would look like: Once the data is ready it is very easy to generate the SQL queries using excel string addition operator – &. Using excel operator ‘&’ to generate SQL query Often you may have to use lookup formulas to clean up the raw data imported in CSV formats. Have your data readyįor our purpose the data is arranged like this:Īs you can see, the data has to be in a tabular format so that you can easily generate the query statements. But you can easily extend this technique to come up with complex query statements. The example below shows a simple insert statement generated from customer data in a table. Here is a tutorial if you ever have to use excel to generate SQL statements. I have used excel plenty of times to generate SQL insert / update statements which I could later execute on the database console. Often when you are working on 2 incompatible systems and try to import data from one to another, excel can be a handy tool.
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