在c＃.net中的cassandra columnfamily中插入值 [英] Insert value in cassandra columnfamily in c#.net

问题描述

我在Cassandra数据库中插入值时遇到问题。

请建议我在数据库中插入值的代码

  var  empRecord =  new  EmployeeEntity（）
 {
 employeeid =  2 ，
 age =  23 ，
 employeename = txtName.Text，
 salary =  5001  
 
 
}; 
  var  employeeRecord =  new  CassandraEntity< List< Column>>（）。SetColumnFamily（columnFamily ）.SetKey（empRecord.employeeid）.SetData（empRecord）; 
 ctx.ColumnList.InsertOnSubmit（employeeRecord）; 
 ctx.SubmitChanges（）; 

i getting在Cassandra数据库中插入值的错误



错误 - >没有足够的字节来读取组件0的值



如何解决它

解决方案

  string  query =  插入员工（ employeeid，age，employeename，salary）values（ + txtId.Text +  ，31，'  + strNameHex.Trim（）+  '， + myHexNumber +  ）; 
 txtQuery.Text = query; 
 context.ExecuteNonQuery（query）; 
 context.SaveChanges（）; 

我已解决此问题以插入值卡桑德拉

I face problem for inserting value in Cassandra database.
Please suggest me some code for inserting value in database

var empRecord = new EmployeeEntity()
           {
               employeeid=2,
               age=23,
              employeename=txtName.Text,
              salary=5001


           };
  var employeeRecord = new CassandraEntity<List<Column>>().SetColumnFamily(columnFamily).SetKey(empRecord.employeeid).SetData(empRecord);
                   ctx.ColumnList.InsertOnSubmit(employeeRecord);
                   ctx.SubmitChanges();

i getting error for inserting value in Cassandra database

Error like -> Not enough bytes to read value of component 0

How to solve it

解决方案

string query = " insert into employee (employeeid,age,employeename,salary) values (" + txtId.Text + ",31,'" + strNameHex.Trim() + "'," + myHexNumber + ")";
                  txtQuery.Text = query;
                  context.ExecuteNonQuery(query);
                  context.SaveChanges();

I have solve this issue to insert value in cassandra

这篇关于在c＃.net中的cassandra columnfamily中插入值的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！