Foxpro check if cursor exists

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August undefined, 2024

WebOct 3, 2002 · One way I've used is to SELECT the duplicates, then just loop and delete these. Select keyfield, count (*) as cnt; from MyTable ; group by keyfield ; having cnt > 1 ; into cursor mydups. SELECT MyTable. SET order to keyfield && create this if it doesn't exist. SELECT mydups. http://computer-programming-forum.com/2-vfp/2b4d0f6aeacad62c.htm

Use FoxPro to Check for Existence of a Directory - Visual Studio

WebDec 15, 2011 · since the data is related INTO the other matches table, whenever the record pointer moves from one row to the other, it tries to find a match for you in the "related" cursor (or table). If it can't find one, that other cursor, it moves the other cursor to EOF() (end of file). So now, you can set filter to NOT EOF( "csrMatches" ) WebJun 25, 2024 · 1. To prevent the result to be shown just specify a target for the result. "into array" or "into cursor" would do. According to your current code, you are not interested with the row (s) returned so you could simply get the count instead (you also had typo in the code). ie: procedure checkForBadRecord local array laBadCount [1] select count ... dash fitness headphones

how to check if the entered data exists Foxite

WebFeb 28, 2024 · No update tables are specified. Use the Tables property of the cursor. 492: No key columns are specified for the update table \value\. Use the KeyFieldList property of the cursor. 493: SQL parameter is missing. 494: View definition has been changed. 495: Warning: The key defined by the KeyField property for table value is not unique. 498 WebNumeric. Number of bytes of XML written. CursorToXML () takes a cursor and makes an XML string, either in a memory variable or written to a file. It has a lot of parameters that can lead to a lot of complexity. Fortunately, much of what you're likely to need to do doesn't have to be complex.We could write a book on formatting an XML string, and ... WebOct 16, 2009 · Olaf and Cetin, you're right. If I add NOFILTER to the select statement, the select is working as expected: _TALLY = 0 and I have EOF () = .T. The RECCOUNT () = 0 and the cursor is not pointing on the first record of the original table. I did notice something else. My "tblMain" was a part of a DBC. dash fleece

MS SQL Server :: How To Check If Cursor Exists - Bigresource

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WebJan 27, 2008 · Since I open this cursor a lot of times I want to check if is already opened. I try to use the Cursor_status function but it always returns -3. The syntax is: DECLARE crInv SCROL CURSOR FOR. SELECT Val1, Val2 FROM TABLE1 WHERE Val3=450. If Cursor_Status ('local','crInv')>0 BEGIN. CLOSE crInv. WebFeb 16, 2011 · Which command do I use to check whether a foxpro field in a table exists? Not the table exists but a field in a table (assuming the table is in the current DE). Respectfully, Jonathan Morningstar · Hi Jonathan, FIELD([myFieldname],[myTable myCursor]) checks if the field exists. If your returnvalue … bit depth is equal to:WebNov 24, 2008 · Secondly, does the index file automatically get deleted when the cursor is released? Yes and yes. The file is created in your Windows temp folder with a system-generated name ending in '.TMP'. The CDX file has the same name with a '.CDX' extension. When you close the cursor, both files are deleted. dash folder

"WebDec 6, 2024 · How we have to check values in memo field of a table, I have tried the code mentioned below kindly go through the code and suggest me the appropriate code to use, thanks in advance! Local nCount Create Cursor mycursor (RecordS c (50)) IFExists=.F. For nCount = 0 To Thisform.list3.ListCount Append Blank Replace RecordS With Alltrim … " - Foxpro check if cursor exists

Foxpro check if cursor exists

WebFred Taylo. #5 / 8. Checking if variable exists (is defined)? The only time I've ever seen that is if the .PRG that contains VARTYPE () is. compiled in an older version of VFP (like VFP5), and then try to run the. compiled code in a later version (VFP6, 7 or 8). --. Fred. Microsoft Visual FoxPro MVP.

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WebSep 8, 2024 · FILE () attempts to locate a file or directory on disk and returns .T. or .F. based on the results of the search. Specify the filename to search for as a character string argument. To test for the existence of a directory, specify NUL as the filename. For example: The above command checks for the existence of the C:\FOXPRO2 directory. WebDec 29, 2024 · Therefore, the cursor is deallocated, and not returned to the calling procedure. No cursor is assigned to the declared cursor variable.-3: A cursor with the specified name does not exist. A cursor variable with the specified name does not exist, or if one exists, no cursor is yet allocated to it.

WebThere are two ways to check for the existence of a directory on a drive: The FILE () function can be used to check for the existence of a file on a local drive. FILE () only works on … WebFirst, the name you give the cursor is an alias (like in the ALIAS clause of USE). There’s no reason to create a unique name for it. In fact, you can’t use a name generated with SYS(3) because, starting with FoxPro 2.5, aliases beginning with digits don’t work. CREATE CURSOR does support long names, both for the alias and for the field names.

WebMay 5, 2008 · Seems to me that the best way is to place existing numbers into an ordered temporary TABLE, CURSOR, or ARRAY. Then loop through your customer base … WebPosted: Visual FoxPro General, How can I check whether a cursor exists or not? Top I'm not sure what do you mean, but I think a simple if used command should help. if used ("curSomeCursor") wait "Cursor exists" wind endif General Fault Posted: Visual FoxPro …

WebBe aware that FILE () will tell you a file exists anywhere within your VFP. PATH, not just in the current folder you're working in, even if you specify. a full path to a file. So in your …

WebSep 8, 2024 · Symptoms. In Microsoft Visual FoxPro, if the RecordSource property of a grid is set to a cursor, and then the SELECT-SQL command resets the cursor, the grid appears blank if the RecordSource property is not set back to itself. The following command will refresh the grid properly if a SELECT-SQL is run to rebuild the cursor, but if the column … bit depth may also be calledWebNov 25, 2006 · It sounds as if you want to check to see if a record already exists with that primary key. For example, when entering a new customer, you want to see if the … dash fittingsWebSep 8, 2024 · This method can only be used when running FoxPro for MS-DOS directly under MS-DOS versions greater than 3.0, or when running FoxPro for MS- DOS or … dash food appliancesWebAug 26, 2008 · Visual FoxPro General https: ... I know that adConnHandle is ok, the table exists and it has that column, and num exists is a register that exists in the table as well. The command that's not working properly is SKIP, but I don't know why ... and your query is actually good then you will have some records in a cursor named "cra". So check it ... bit depth lg ultragearWebMicrosoft Visual FoxPro MVP Please respond only to the newsgroups so that all may benefit. Quote: > How can I see if a certain field exists. Specifically, I'm looking for ... > Sure would seem like a useful function to be able to see if a field exists. > Boyd > > IF TYPE("table.field")<>"U" && if "table" has been used this works > > * field exists dash foam fillerWeb10 rows · cursor exists in a particular moment. f.e. select mycursor. If "mycursor" doesn't exist, VFP returns the error message "alias mycursor. is not found". I try with alias () but … dash food hand blenderWebIf cCursorName contains data and nFlags is set to 8192, Visual FoxPro appends the data being imported from the XML file to the existing table or cursor. The table or cursor … bit depth of a boolean is