Easy way to convert data table to hash table or sqldatareader to hashtable

Is there an easy way to convert a DataTable to a HashTable or a SQLDataReader to a HashTable? I have to parse it through javascriptserializer. The code I am using has some problems:

try

{

    using (SqlConnection conn = new SqlConnection(ConnectionString))

    {

        using (SqlCommand cmd = new SqlCommand(query, conn))

        {

            conn.Open();

            SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

            dt.Load(dr);

        }

    }



    Hashtable sendData = new Hashtable();



    foreach (DataRow drIn in dt.Rows)

    {



        sendData.Add(drIn["orderNumber"].ToString(), drIn["customerName"].ToString());



    }



    sendData.Add("orderNum", order);

    JavaScriptSerializer jss = new JavaScriptSerializer();

    string output = jss.Serialize(sendData);

    return output;

}

catch (Exception ex)

{

    return ex.Message + "-" + ex.StackTrace;

}

It is giving a correct result when queried from one table in the database but from another table it's having a problem.

Is there any other way to do this?

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

3

Please decribe the problem, with the exact error message.

– RedFilter
Apr 16 '10 at 14:55

add a comment |

Is there an easy way to convert a DataTable to a HashTable or a SQLDataReader to a HashTable? I have to parse it through javascriptserializer. The code I am using has some problems:

try

{

    using (SqlConnection conn = new SqlConnection(ConnectionString))

    {

        using (SqlCommand cmd = new SqlCommand(query, conn))

        {

            conn.Open();

            SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

            dt.Load(dr);

        }

    }



    Hashtable sendData = new Hashtable();



    foreach (DataRow drIn in dt.Rows)

    {



        sendData.Add(drIn["orderNumber"].ToString(), drIn["customerName"].ToString());



    }



    sendData.Add("orderNum", order);

    JavaScriptSerializer jss = new JavaScriptSerializer();

    string output = jss.Serialize(sendData);

    return output;

}

catch (Exception ex)

{

    return ex.Message + "-" + ex.StackTrace;

}

It is giving a correct result when queried from one table in the database but from another table it's having a problem.

Is there any other way to do this?

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

3

Please decribe the problem, with the exact error message.

– RedFilter
Apr 16 '10 at 14:55

add a comment |

Is there an easy way to convert a DataTable to a HashTable or a SQLDataReader to a HashTable? I have to parse it through javascriptserializer. The code I am using has some problems:

try

{

    using (SqlConnection conn = new SqlConnection(ConnectionString))

    {

        using (SqlCommand cmd = new SqlCommand(query, conn))

        {

            conn.Open();

            SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

            dt.Load(dr);

        }

    }



    Hashtable sendData = new Hashtable();



    foreach (DataRow drIn in dt.Rows)

    {



        sendData.Add(drIn["orderNumber"].ToString(), drIn["customerName"].ToString());



    }



    sendData.Add("orderNum", order);

    JavaScriptSerializer jss = new JavaScriptSerializer();

    string output = jss.Serialize(sendData);

    return output;

}

catch (Exception ex)

{

    return ex.Message + "-" + ex.StackTrace;

}

It is giving a correct result when queried from one table in the database but from another table it's having a problem.

Is there any other way to do this?

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

Is there an easy way to convert a DataTable to a HashTable or a SQLDataReader to a HashTable? I have to parse it through javascriptserializer. The code I am using has some problems:

try

{

    using (SqlConnection conn = new SqlConnection(ConnectionString))

    {

        using (SqlCommand cmd = new SqlCommand(query, conn))

        {

            conn.Open();

            SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

            dt.Load(dr);

        }

    }



    Hashtable sendData = new Hashtable();



    foreach (DataRow drIn in dt.Rows)

    {



        sendData.Add(drIn["orderNumber"].ToString(), drIn["customerName"].ToString());



    }



    sendData.Add("orderNum", order);

    JavaScriptSerializer jss = new JavaScriptSerializer();

    string output = jss.Serialize(sendData);

    return output;

}

catch (Exception ex)

{

    return ex.Message + "-" + ex.StackTrace;

}

It is giving a correct result when queried from one table in the database but from another table it's having a problem.

Is there any other way to do this?

c# sql sql-server-2008 jquery

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

edited May 31 '15 at 2:17

Eric Leschinski

87.4k38323274

asked Apr 16 '10 at 14:53

amby

44113

asked Apr 16 '10 at 14:53

amby

44113

asked Apr 16 '10 at 14:53

amby

44113

3

Please decribe the problem, with the exact error message.

– RedFilter
Apr 16 '10 at 14:55

add a comment |

3

Please decribe the problem, with the exact error message.

– RedFilter
Apr 16 '10 at 14:55

Please decribe the problem, with the exact error message.

– RedFilter
Apr 16 '10 at 14:55

add a comment |

2 Answers
2

active

oldest

votes

You can use the following function to convert DataTable to HashTable,

public static Hashtable convertDataTableToHashTable(DataTable dtIn,string keyField,string valueField)   

{    

   Hashtable htOut = new Hashtable();    

   foreach(DataRow drIn in dtIn.Rows)    

   {    

      htOut.Add(drIn[keyField].ToString(),drIn[valueField].ToString());    

   }   

   return htOut;    

}

Then in your code just use,

Hashtable sendData = new Hashtable();

//You need to pass datatable, key field and value field

sendData = convertDataTableToHashTable(dt, "orderNumber", "customerName");

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

add a comment |

-1

public static Hashtable Fn_ConvertDataTableToHashTable(DataTable dtTable, int iRow)

{

        Hashtable hshTable = new Hashtable();



        if (CommonUtil.Fn_CheckDatatableHasValue(dtTable))

        {

            foreach (DataColumn column in dtTable.Columns)

            {



                hshTable.Add(column.ColumnName, dtTable.Rows[iRow][column.ColumnName].ToString());

            }

        }



        return hshTable;

}

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

You can use the following function to convert DataTable to HashTable,

public static Hashtable convertDataTableToHashTable(DataTable dtIn,string keyField,string valueField)   

{    

   Hashtable htOut = new Hashtable();    

   foreach(DataRow drIn in dtIn.Rows)    

   {    

      htOut.Add(drIn[keyField].ToString(),drIn[valueField].ToString());    

   }   

   return htOut;    

}

Then in your code just use,

Hashtable sendData = new Hashtable();

//You need to pass datatable, key field and value field

sendData = convertDataTableToHashTable(dt, "orderNumber", "customerName");

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

add a comment |

You can use the following function to convert DataTable to HashTable,

public static Hashtable convertDataTableToHashTable(DataTable dtIn,string keyField,string valueField)   

{    

   Hashtable htOut = new Hashtable();    

   foreach(DataRow drIn in dtIn.Rows)    

   {    

      htOut.Add(drIn[keyField].ToString(),drIn[valueField].ToString());    

   }   

   return htOut;    

}

Then in your code just use,

Hashtable sendData = new Hashtable();

//You need to pass datatable, key field and value field

sendData = convertDataTableToHashTable(dt, "orderNumber", "customerName");

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

add a comment |

You can use the following function to convert DataTable to HashTable,

public static Hashtable convertDataTableToHashTable(DataTable dtIn,string keyField,string valueField)   

{    

   Hashtable htOut = new Hashtable();    

   foreach(DataRow drIn in dtIn.Rows)    

   {    

      htOut.Add(drIn[keyField].ToString(),drIn[valueField].ToString());    

   }   

   return htOut;    

}

Then in your code just use,

Hashtable sendData = new Hashtable();

//You need to pass datatable, key field and value field

sendData = convertDataTableToHashTable(dt, "orderNumber", "customerName");

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

You can use the following function to convert DataTable to HashTable,

public static Hashtable convertDataTableToHashTable(DataTable dtIn,string keyField,string valueField)   

{    

   Hashtable htOut = new Hashtable();    

   foreach(DataRow drIn in dtIn.Rows)    

   {    

      htOut.Add(drIn[keyField].ToString(),drIn[valueField].ToString());    

   }   

   return htOut;    

}

Then in your code just use,

Hashtable sendData = new Hashtable();

//You need to pass datatable, key field and value field

sendData = convertDataTableToHashTable(dt, "orderNumber", "customerName");

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

answered Jan 8 '18 at 5:37

Abhilash Ravindran C K

1,6422517

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

add a comment |

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

Reference: blog.dotnetframework.org/2006/05/03/…

– Gauravsa
Aug 13 '18 at 1:35

add a comment |

-1

public static Hashtable Fn_ConvertDataTableToHashTable(DataTable dtTable, int iRow)

{

        Hashtable hshTable = new Hashtable();



        if (CommonUtil.Fn_CheckDatatableHasValue(dtTable))

        {

            foreach (DataColumn column in dtTable.Columns)

            {



                hshTable.Add(column.ColumnName, dtTable.Rows[iRow][column.ColumnName].ToString());

            }

        }



        return hshTable;

}

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

add a comment |

-1

public static Hashtable Fn_ConvertDataTableToHashTable(DataTable dtTable, int iRow)

{

        Hashtable hshTable = new Hashtable();



        if (CommonUtil.Fn_CheckDatatableHasValue(dtTable))

        {

            foreach (DataColumn column in dtTable.Columns)

            {



                hshTable.Add(column.ColumnName, dtTable.Rows[iRow][column.ColumnName].ToString());

            }

        }



        return hshTable;

}

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

add a comment |

-1

public static Hashtable Fn_ConvertDataTableToHashTable(DataTable dtTable, int iRow)

{

        Hashtable hshTable = new Hashtable();



        if (CommonUtil.Fn_CheckDatatableHasValue(dtTable))

        {

            foreach (DataColumn column in dtTable.Columns)

            {



                hshTable.Add(column.ColumnName, dtTable.Rows[iRow][column.ColumnName].ToString());

            }

        }



        return hshTable;

}

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

public static Hashtable Fn_ConvertDataTableToHashTable(DataTable dtTable, int iRow)

{

        Hashtable hshTable = new Hashtable();



        if (CommonUtil.Fn_CheckDatatableHasValue(dtTable))

        {

            foreach (DataColumn column in dtTable.Columns)

            {



                hshTable.Add(column.ColumnName, dtTable.Rows[iRow][column.ColumnName].ToString());

            }

        }



        return hshTable;

}

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

edited Aug 24 '15 at 7:13

gotqn

20.2k32115189

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

answered Nov 1 '12 at 11:04

Shiraj Momin

38736

add a comment |

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