我正在尝试实现加载和去sic汇编程序，我使用了3个网格视图，一个存储读取的pgm，menoic值和其他一个空的gridview，它将充当symbole表我在尝试输入新值gridview时遇到问题应该持有symbole及其地址，这是我的代码。
namespace WindowsFormsApplication1
{
public partial class Form2 : Form
{
static System.Data.OleDb.OleDbConnection con1 = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;Data Source=D:/ASSEMBLER.mdb");
string start_address;
int k = 0;
string value;
int ma;
int nxt_add = 0;
string opcode;
public Form2()
{
InitializeComponent();
grid1();
grid2();
grid3();
}
private void grid1()
{
// var ss = new List<string> { "BYTE", "RESW", "RESB", "WORD" };
try
{
// InitializeComponent();
DataSet ds = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select Adress as [address], opcode as [Symbol],operand as [opco],op as [operand],ooo as[obj] from read_pgm" + "'", con1);
adapReport.Fill(ds, "read_pgm");
dataGridView1.AutoGenerateColumns = true;
dataGridView1.DataSource = ds;
dataGridView1.DataMember = "read_pgm";
foreach (DataGridViewColumn col in dataGridView1.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
dataGridView1.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[2].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[3].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
con1.Close();
}
}
private void grid2()
{
con1.Open();
try
{
//InitializeComponent();
DataSet ds1 = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select SYMBOLE as [Symbol],ADDRESS as [ADDRESS] from SYMBOL_TABLE" + "'", con1);
adapReport.Fill(ds1, "SYMBOL_TABLE");
dataGridView2.AutoGenerateColumns = true;
dataGridView2.DataSource = ds1;
dataGridView2.DataMember = "SYMBOL_TABLE";
foreach (DataGridViewColumn col in dataGridView2.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView2.Rows.Count - 1; i++)
{
dataGridView2.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView2.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
//Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void grid3()
{
try
{
con1.Open();
// InitializeComponent();
DataSet ds2 = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select opcode as [opcode],val as [value] from Mnemoni" + "'", con1);
adapReport.Fill(ds2, "Mnemoni");
dataGridView3.AutoGenerateColumns = true;
dataGridView3.DataSource = ds2;
dataGridView3.DataMember = "Mnemoni";
foreach (DataGridViewColumn col in dataGridView3.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView3.Rows.Count - 1; i++)
{
dataGridView3.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView3.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
//Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void Form2_Load(object sender, EventArgs e)
{
cal(dataGridView1, dataGridView2, dataGridView3);
}
private void add()
{
try
{
con1.Open();
System.Data.OleDb.OleDbCommand top = new System.Data.OleDb.OleDbCommand(
"INSERT INTO SYMBOL_TABLE (" +
"SYMBOLE,ADDRESS" +
") VALUES (?,?)", con1);
top.Parameters.AddWithValue("?", opcode);
top.Parameters.AddWithValue("?", "xxxx");
top.ExecuteNonQuery();
con1.Close();
grid2();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void cal(DataGridView dataGridView1, DataGridView dataGridView2, DataGridView dataGridView3)
{
start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
MessageBox.Show("this is start adder" + start_address);
for (int i = 1; i < dataGridView1.Rows.Count; i++)
{
opcode = Convert.ToString(dataGridView1.Rows[i].Cells[1].Value);
string operand = Convert.ToString(dataGridView1.Rows[i].Cells[2].Value);
string op = Convert.ToString(dataGridView1.Rows[i].Cells[3].Value);
MessageBox.Show(opcode);
string cv = dataGridView1.Rows[i].Cells[0].Value.ToString();
MessageBox.Show(cv);
// int nxt_add =Convert.ToInt16(cv);
nxt_add = nxt_add + 3;
string address = nxt_add.ToString("X");
dataGridView1.Rows[i + 1].Cells[0].Value = address;
// MessageBox.Show(operand);
//MessageBox.Show(op);
if (opcode != null && opcode != "")
{
MessageBox.Show("inside opcode loop");
for (int j = 0; j < dataGridView2.Rows.Count; j++)
{
//MessageBox.Show(dataGridView2.Rows[j].Cells[0].Value.ToString());
try
{
if (dataGridView2.Rows[j].Cells[0].Value.ToString() == opcode)
{
ma = j;
string m = dataGridView1.Rows[j].Cells[0].Value.ToString();
MessageBox.Show("value of m" + m);
dataGridView2.Rows[j].Cells[1].Value = m;
MessageBox.Show("if condition satisified block of opcode and it is exiting now ");
break;
}
}
catch (NullReferenceException e)
{
MessageBox.Show("opcode value is " + opcode);
int a = dataGridView2.NewRowIndex;
dataGridView2.Rows[a].Cells[0].Value = opcode;
dataGridView2.Rows[a].Cells[1].Value = "xxxx";
// ma = k;
// k++;
MessageBox.Show("exiting catch block of opcode");
break;
}
}
}
for (int y = 0; y < dataGridView2.Rows.Count; y++)
{
MessageBox.Show("content of symbole table");
MessageBox.Show(dataGridView2.Rows[y].Cells[0].Value.ToString());
MessageBox.Show(dataGridView2.Rows[y].Cells[1].Value.ToString());
}
if (operand != null)
{
MessageBox.Show("inside the operan loop");
for (int kj = 0; kj < dataGridView3.Rows.Count; kj++)
{
try
{
if (dataGridView3.Rows[kj].Cells[0].Value.ToString() == operand)
{
value = dataGridView3.Rows[kj].Cells[1].Value.ToString();
MessageBox.Show(value);
break;
}
else
{
// MessageBox.Show("invalid operand");
continue;
}
}
catch (Exception e)
{
MessageBox.Show("inside the catch block of operand loop ");
// MessageBox.Show(e.Message+e.InnerException);
}
}
}
if (op != null)
{
MessageBox.Show("in the op loop");
if (op == "")
{
MessageBox.Show("op is empty space ****");
}
int[] num = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
if (op.Contains(Convert.ToString(num)))
{
}
int f = dataGridView2.CurrentCellAddress.X;
for (int j = 0; j < dataGridView2.Rows.Count; j++)
{
//MessageBox.Show(dataGridView2.Rows[j].Cells[0].Value.ToString());
try
{
if (dataGridView2.Rows[j].Cells[0].Value.ToString() == opcode)
{
ma = j;
string m = dataGridView1.Rows[j].Cells[0].Value.ToString();
MessageBox.Show("value of m" + m);
dataGridView2.Rows[j].Cells[1].Value = m;
MessageBox.Show("if condition satisified block of opcode and it is exiting now ");
break;
}
}
catch (NullReferenceException e)
{
MessageBox.Show("opcode value is " + opcode);
int a = dataGridView2.NewRowIndex;
dataGridView2.Rows[a].Cells[0].Value = opcode;
dataGridView2.Rows[a].Cells[1].Value = "xxxx";
// ma = k;
// k++;
MessageBox.Show("exiting catch block of opcode");
break;
}
MessageBox.Show("op value is " + op);
try
{
int b = dataGridView2.NewRowIndex;
dataGridView2.Rows[b].Cells[0].Value = op;
dataGridView2.Rows[b].Cells[1].Value = "xxxx";
}
catch (Exception v)
{
MessageBox.Show(v.Message);
}
// dataGridView2.BeginEdit(true);
// dataGridView2.EndEdit();
MessageBox.Show("exiting op loop");
}
MessageBox.Show("value of i is " + i);
for (int o = 0; o < dataGridView2.Rows.Count; o++)
{
MessageBox.Show(dataGridView2.Rows[o].Cells[0].Value.ToString());
MessageBox.Show(dataGridView2.Rows[o].Cells[1].Value.ToString());
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
答案 0 :(得分：0)
我已经为我的问题找到了解决方案，只需要很少的修改我已经完成了简单的sic加载并去了汇编程序。我的代码如下` 命名空间WindowsFormsApplication1 { 公共部分类Form2：表格 { 字符串操作码; string labelz; 字符串操作数; 串m; string fg; 字符串d; int a = 0; 字符串值; static System.Data.OleDb.OleDbConnection con1 = new System.Data.OleDb.OleDbConnection（“Provider = Microsoft.Jet.OleDb.4.0; Data Source = D：/ASSEMBLER.mdb”）; 公共Form2（） { 的InitializeComponent（）; GRID1（）; GRID2（）; GRID3（）;
}
private void grid1()
{
try
{
DataSet ds = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select Adress as [address], opcode as [Symbol],operand as [opco],op as [operand],ooo as[obj] from read_pgm" + "'", con1);
adapReport.Fill(ds, "read_pgm");
dataGridView1.AutoGenerateColumns = true;
dataGridView1.DataSource = ds;
dataGridView1.DataMember = "read_pgm";
foreach (DataGridViewColumn col in dataGridView1.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
dataGridView1.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[2].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView1.Rows[i].Cells[3].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void grid2()
{
con1.Open();
try
{
DataSet ds1 = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select SYMBOLE as [Symbol],ADDRESS as [ADDRESS] from SYMBOL_TABLE" + "'", con1);
adapReport.Fill(ds1, "SYMBOL_TABLE");
dataGridView2.AutoGenerateColumns = true;
dataGridView2.DataSource = ds1;
dataGridView2.DataMember = "SYMBOL_TABLE";
foreach (DataGridViewColumn col in dataGridView2.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView2.Rows.Count - 1; i++)
{
dataGridView2.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView2.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
//Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
//con1.Close();
}
private void grid3()
{
con1.Open();
try
{
DataSet ds2 = new DataSet();
System.Data.OleDb.OleDbDataAdapter adapReport = new System.Data.OleDb.OleDbDataAdapter("select opcode as [opcode],val as [value] from Mnemoni" + "'", con1);
adapReport.Fill(ds2, "Mnemoni");
dataGridView3.AutoGenerateColumns = true;
dataGridView3.DataSource = ds2;
dataGridView3.DataMember = "Mnemoni";
foreach (DataGridViewColumn col in dataGridView3.Columns)
{
col.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
col.HeaderCell.Style.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
}
for (int i = 0; i < dataGridView3.Rows.Count - 1; i++)
{
dataGridView3.Rows[i].Cells[0].Style.Font = new Font("Arial", 9, FontStyle.Bold);
dataGridView3.Rows[i].Cells[1].Style.Font = new Font("Arial", 9, FontStyle.Bold);
}
//Int16 b = Convert.ToInt16(dataGridView1.Rows[1].Cells[0].Value);
//start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
// MessageBox.Show(add + " in second form");
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}##
航向
private void cal(DataGridView dataGridView1, DataGridView dataGridView2, DataGridView dataGridView3)
{
string start_address = Convert.ToString(dataGridView1.Rows[1].Cells[0].Value);
/// MessageBox.Show("this is start adder" + start_address);
for (int i = 1; i < dataGridView1.Rows.Count - 2; i++)
{
labelz = Convert.ToString(dataGridView1.Rows[i].Cells[1].Value);
opcode = Convert.ToString(dataGridView1.Rows[i].Cells[2].Value);
operand = Convert.ToString(dataGridView1.Rows[i].Cells[3].Value);
string objcod = Convert.ToString(dataGridView1.Rows[i].Cells[4].Value);
a = a + Convert.ToInt16(3);
// start_address = Convert.ToString(a);
string s = a.ToString("X");
string bv = a.ToString();
if (dataGridView1.Rows[i].Cells[2].Value.ToString() != "END")
{
if (bv.Length == 2)
{
string tr = start_address.Remove(1, 2);
dataGridView1.Rows[i + 1].Cells[0].Value = tr + s;
}
else if (bv.Length < 2)
{
string tr = start_address.Remove(2, 1);
dataGridView1.Rows[i + 1].Cells[0].Value = tr + s;
}
}
d = dataGridView1.Rows[i].Cells[0].Value.ToString();
if (labelz != null && labelz != "")
{
MessageBox.Show("label is" + labelz + " value is" + d);
im(labelz, d);
grid2();
}
if (opcode != null)
{
for (int kj = 0; kj < dataGridView3.Rows.Count; kj++)
{
try
{
if (dataGridView3.Rows[kj].Cells[0].Value.ToString() == opcode)
{
dataGridView1.Rows[i].Cells[4].Value = dataGridView3.Rows[kj].Cells[1].Value.ToString();
value = dataGridView3.Rows[kj].Cells[1].Value.ToString();
break;
}
}
catch (Exception e)
{
string qw = dataGridView1.Rows[i].Cells[3].Value.ToString();
if (qw.Length == 4)
{
value = "00" + qw;
dataGridView1.Rows[i].Cells[4].Value = value;
}
if (qw.Length == 1)
{
value = "00000" + qw;
dataGridView1.Rows[i].Cells[4].Value = value;
}
if (qw.Length == 2)
{
value = "0000" + qw;
dataGridView1.Rows[i].Cells[4].Value = value;
}
if (qw.Length == 3)
{
value = "000" + qw;
dataGridView1.Rows[i].Cells[4].Value = value;
}
}
}
if (operand != ""&& opcode != "WORD" | opcode != "RESW")
{
try
{
for (int jm = 0; jm < dataGridView1.Rows.Count - 1; jm++)
{
//break;
if (dataGridView2.Rows[jm].Cells[0].Value.ToString() == operand)
{
for (int hj = 0; hj < dataGridView1.Rows.Count; hj++)
{
if (dataGridView1.Rows[hj].Cells[1].Value.ToString() == operand)
{
m = dataGridView1.Rows[hj].Cells[0].Value.ToString();
MessageBox.Show("symbole" + operand + " is already in symbol table" + "with address" + m);
cv(operand,m);
grid2();
break;
}
/* else
{
cv(operand,"XXXX");
grid2();
}*/
}
}
}
}
catch (NullReferenceException e)
{
MessageBox.Show("symbol" + operand + "is not present in symbol table & entered with value" + "xxxx");
cv(operand, "XXXX");
grid2();
//break;
}
}
if (operand == "")
{
dataGridView1.Rows[i].Cells[4].Value = value + "0000";
}
}
MessageBox.Show("object code is" + dataGridView1.Rows[i].Cells[4].Value.ToString());
if (dataGridView1.Rows[i].Cells[4].Value.ToString() == "")
{
for (int jh = 0; jh < dataGridView2.Rows.Count; jh++)
{
try
{
if (dataGridView2.Rows[jh].Cells[0].Value.ToString() == operand)
{
fg = dataGridView2.Rows[jh].Cells[1].Value.ToString();
dataGridView1.Rows[i].Cells[4].Value = value + fg;
MessageBox.Show(operand);
break;
}
}
catch (NullReferenceException v)
{
break;
}
}
}
for (int mi = 1; mi < dataGridView1.Rows.Count - 2; mi++)
{
if (dataGridView1.Rows[mi].Cells[0].Value.ToString().Length == 3)
{
string sd = dataGridView1.Rows[mi].Cells[0].Value.ToString();
sd = sd.Insert(1, "0");
dataGridView1.Rows[mi].Cells[0].Value = sd;
}
try
{
string kj = dataGridView1.Rows[mi].Cells[4].Value.ToString();
// MessageBox.Show("kj length is" + kj.Length);
if (kj.Length < 6)
{
for (int re = 0; re < dataGridView2.Rows.Count; re++)
{
if (dataGridView2.Rows[re].Cells[0].Value.ToString() == dataGridView1.Rows[mi].Cells[3].Value.ToString())
{
string vv = dataGridView2.Rows[re].Cells[1].Value.ToString();
dataGridView1.Rows[mi].Cells[4].Value = kj + vv;
}
}
}
}
catch (NullReferenceException v)
{
}
}
}
}
private static void im(string lab, string d)
{
System.Data.OleDb.OleDbConnection con1 = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;Data Source=D:/ASSEMBLER.mdb");
try
{
con1.Open();
System.Data.OleDb.OleDbCommand top = new System.Data.OleDb.OleDbCommand(
"INSERT INTO SYMBOL_TABLE (" +
"SYMBOLE,ADDRESS" +
") VALUES (?,?)", con1);
top.Parameters.AddWithValue("?", lab);
top.Parameters.AddWithValue("?", d);
// top.Parameters.AddWithValue("?", mcs[2]);
top.ExecuteNonQuery();
con1.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static void cv(string a, string b)
{
try
{
con1.Open();
System.Data.OleDb.OleDbCommand top1 = new System.Data.OleDb.OleDbCommand("UPDATE SYMBOL_TABLE SET[ADDRESS] = ? where SYMBOLE = ?", con1);
top1.Parameters.AddWithValue("?", a);
top1.Parameters.AddWithValue("?", b);
top1.ExecuteNonQuery();
con1.Close();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
private void Form2_Load(object sender, EventArgs e)
{
cal(dataGridView1, dataGridView2, dataGridView3);
}
private void button1_Click(object sender, EventArgs e)
{
this.Close();
}
} }
`