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of records to get query resultsecho $ls _num;echo "";if (ls_num>0){$ls _col = $test->dbnumcols ($db); Gets the number of columns in the tableecho $ls _col;echo "";$cate _result= $test->dbfetchrow ($temp _result,0);//Get the first line of records$hcid = $cate _result[0];//Gets the value of name$hcate = $cate _result[1];//The value of payEcho $hcid;echo "";Echo $hcate;}?>This is a simple application wrapper class to complete the operation of the database. If you want to manipulate other databases

Software Design for handling key data changes in programs All problems encountered in the project can be summarized as follows: 1. Local logic field control 2. Local Transparency of the field Logic 3. All commands are passive. When the sub-board is in a subordinate position, the commands transmitted between the sub-board and the master control are actually only a control signal transmission. All functi

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If the client has been installed, this problem occurs again, that is, the permission problem. Google attaches it========================================================== ==========================================================Recently, I am working on ASP. NET projects. The database used is Oracle9i. An error occurred while connecting to the database. The following information is displayed: System. Data. oracleclient requires Oracle client

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When you use a report tool to design a report, when using a parameter control, sometimes we want some of the parameter controls to not appear when the condition is not met, and then show when the condition is met, and then I'll teach you how to do it! How the table software controls whether a parameter control is displayed based on conditions One: Problem description When using a parameter control, sometimes we want the partial parameter control to

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Labels: C ++ Software DesignAll problems encountered in the project can be summarized as follows:1. Local logic field control2. Local Transparency of the field Logic3. All commands are passive.When the sub-board is in a subordinate position, the commands transmitted between the sub-board and the master control are actually only a control signal transmission. All functions change with the control signal, or, more specifically, the function changes in t