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This section focuses on ExtJS4.2 grid multi-select line knowledge, example Image:650) this.width=650; "alt=" ExtJS4.2 grid knowledge Point five: Multiple select rows (you can click on the row to select the record and only click on the Multi-box to
PL/SQL USE INSERT... to INSERT multiple rows in a SELECT statement, we usually use the INSERT command to INSERT rows into a table. Sometimes, you need to add specific data to the target table based on the records of existing tables and views, you can use INSERT... SELECT sta
How can I use PHP to execute a select statement of the ORCAL database and obtain the total number of rows and the value of a column? This is the case: nbsp; $ query nbsp ;= quot; select nbsp; id, bt, fbsj nbsp; how does one use PHP to execute a select statement of the OR
How can I use PHP to execute a select statement of the ORCAL database and obtain the total number of rows and the value of a column? This is the case: nbsp; $ query nbsp; quot; select nbsp; id, bt, fbsj nbsp; from nbsp; tztg nbsp; quot; nbsp; how to use PHP to execute a s
Tip: you can modify some code before running Js function-Press Ctrl to select multiple table rowsNew Document Tip: you can modify some code before running
select [Value] = Stuff ((select ', ' +modmb003 from MODMB detail where modmb=18 for XML Path (')), 1, 1, ')The role of stuff is to delete characters of a specified length and insert another set of characters at the specified starting pointSyntax:STUFF (character_expression, start, length, character_expression)Columns: SELECT
When you manipulate a database, you often encounter an updated or deleted row value that either does not make the row a unique row or changes multiple rows, as follows:
Reason analysis: Prompt that the deleted row is not the only row, and then check it again and discover:
is a duplicate key val
Problems that occur when you update a table that does not have a primary key set:Cause of the problem:Most of this is due to the absence of a primary key (PK) that causes several identical data to exist in the same tableWhen the DBMS is stored, only one piece of data is stored, because the DBMS is optimized to reduce data redundancy. So deleting or updating a duplicate data is reachingWorkaround:It is recommended to set the primary key to check for the existence of the same row dataA row
SYS. you can obtain the Stored Procedure items in syscomments. The text field records the actual text defined in the stored procedure. If the length of the stored procedure exceeds 4000, a new row is used for recording, the colid field records the corresponding row sequence number.
The following statement uses XMLThe value () method combines multiple text fields in the same stored procedure into one colum
[JavaScript] In the select drop-down list, multiple values are passed in the value, the option display value is taken out, and this is applied as the navigation, selectoption
For the select drop-down list, we all know that the value
For a drop-down list select, it is well known that the value is the value in the selected option, but what if you need to take out the display value of each option? While it's not necessary to take the option's display value, if you do need the display
Don't know how to describe, there are two select Drop-down, as a text field, you can select the value from one side of the result set, add to the other side, the other side deleted, the value is back to the result set. Take a look at the sample demo, I believe you will use the latter later!
Not much said, on the code:
property is followed by.2, Radio Box:$ ("input[@type =radio][@checked]"). Val (); Get the value of the selected item in the Radio box (note that there are no spaces in the middle)$ ("input[@type =radio][@value =2]"). attr ("Checked", ' checked '); Sets the value=2 of the radio box to the selected state. (note there is no space in the middle)3, check box:$ ("inpu
Through JS to get Select (Multiple select Drop-down) of the selected value, the specific implementation of the following, there is a need for friends can refer to, I hope to help you
Copy CodeThe code is as follows:
Selected items:
In JSP, the value submitted by the multiple SELECT statement in the form is obtained. In JSP, the value submitted by the multiple SELECT statement in the form is 10.0102.
Add the multiple
Query gets the text and value of the Select selection: Syntax Explanation: 1. $ ("#select_id"). Change (function () {//code ...}); Adds an event for select, triggering 2 when one of the items is selected. var checktext=$ ("#select_id"). Find ("option:selected"). Text (); Gets the Select selected text 3. var checkva
jquery Gets the text and value selected by select:Syntax Explanation:1. $ ("#select_id"). Change (function () {//code ...}); Add an event for Select, which is triggered when one of the items is selected2. Var checktext=$ ("#select_id"). Find ("option:selected"). Text (); Gets the text selected by the Select3. Var checkvalue=$ ("#select_id"). Val (); Gets the value
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